Tacoma, Washington Weather Conditions

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Current Conditions

  • 51°
  • Mostly Cloudy
  • Wind: SSW 13 mph
  • Humidity: 56%
  • Visibility: 10.0 miles
  • Dew Point: 36°
  • Pressure: 30.12 in. +

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Next 12 Hours

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Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Wednesday
  • Rain
  • High: 53 °
  • Low: 37 °
  • Rain
  • Thursday
  • Clear
  • High: 56 °
  • Low: 40 °
  • Clear
  • Friday
  • Chance of Rain
  • High: 52 °
  • Low: 39 °
  • Chance of Rain
  • Saturday
  • Partly Cloudy
  • High: 53 °
  • Low: 37 °
  • Partly Cloudy
  • Sunday
  • Chance of Rain
  • High: 54 °
  • Low: 38 °
  • Chance of Rain

Forecast for Tacoma, Washington

Updated: 2:22 PM PDT on January 31, 2015

  • Tuesday

    Cloudy with a few showers. Thunder possible. High 54F. Winds SW at 10 to 15 mph. Chance of rain 30%.

  • Tuesday Night

    A few clouds. Low near 40F. Winds SSW at 5 to 10 mph.

  • Wednesday

    Partly cloudy skies during the morning hours will give way to cloudy skies and rain in the afternoon. Thunder possible. High 53F. Winds SW at 5 to 10 mph. Chance of rain 70%.

  • Wednesday Night

    Light rain early. Decreasing clouds with clear skies late. Thunder is possible early. Low 37F. Winds light and variable. Chance of rain 70%.

  • Thursday

    Sunny along with a few clouds. High 56F. Winds SSW at 5 to 10 mph.

  • Thursday Night

    Cloudy skies early, then partly cloudy after midnight. Low around 40F. Winds light and variable.

  • Friday

    Cloudy. Some light rain is likely. High 52F. Winds SSW at 10 to 15 mph. Chance of rain 90%.

  • Friday Night

    Partly cloudy skies early followed by mostly cloudy skies and a few showers later at night. Low 39F. Winds SSW at 5 to 10 mph. Chance of rain 30%.

  • Saturday

    Intervals of clouds and sunshine. High 53F. Winds SSW at 5 to 10 mph.

  • Saturday Night

    A few clouds. Low 37F. Winds light and variable.

  • Sunday

    Increasing clouds with showers arriving sometime in the afternoon. High 54F. Winds SSW at 5 to 10 mph. Chance of rain 80%.

  • Sunday Night

    Rain ending early. Partial clearing late. Low 38F. Winds light and variable. Chance of rain 80%.

  • Monday

    Partly cloudy early followed by increasing clouds with showers developing later in the day. High 54F. Winds SSW at 5 to 10 mph. Chance of rain 60%.

  • Monday Night

    Partly cloudy skies in the evening, then becoming cloudy overnight. Low around 40F. Winds light and variable.

  • Tuesday

    Rain showers in the morning will evolve into a more steady rain in the afternoon. High 54F. Winds SSW at 5 to 10 mph. Chance of rain 70%. Rainfall near a quarter of an inch.

  • Tuesday Night

    Periods of rain. Low around 45F. Winds SSW at 5 to 10 mph. Chance of rain 60%. Rainfall around a quarter of an inch.

  • Wednesday

    Cloudy with periods of rain. High 57F. Winds SSW at 10 to 15 mph. Chance of rain 60%. Rainfall near a quarter of an inch.

  • Wednesday Night

    Showers early becoming less numerous late. Low 46F. Winds SSW at 5 to 10 mph. Chance of rain 60%.

  • Thursday

    Cloudy with occasional rain showers. High 57F. Winds SSW at 10 to 15 mph. Chance of rain 60%.

  • Thursday Night

    Occasional light rain. Low 43F. Winds SSW at 5 to 10 mph. Chance of rain 60%.

  • Friday

    Steady light rain in the morning. Showers continuing in the afternoon. High 57F. Winds SW at 10 to 15 mph. Chance of rain 60%.

  • Friday Night

    Cloudy with showers. Low 43F. Winds SSW at 5 to 10 mph. Chance of rain 60%.

Severe Weather Alert Descriptions

 Public Information Statement  Statement as of 1:20 PM PST on March 31, 2015


... What is unstable air?...

Showers and the threat of thunderstorms are back in the forecast
this week and will likely be in the forecast later this Spring.
Weather forecasters use the term unstable air to help describe -the
why- behind the showery unsettled weather. But what is unstable air?
What does it mean?

The primary weather ingredients for unstable air in the lower
atmosphere are heat and moisture. An unstable air mass usually is
warmer and has more moisture close to the surface than the air above
it. Like letting a helium balloon go... if a parcel of air near
surface rises and keeps going... that is unstable air and the air
mass is considered convective.

During our Spring season... the longer days and higher sun angle
result in warmer temperatures in The Lowlands of western Washington.
Yet we still get cooler air aloft rolling inland from the Gulf of
Alaska. This weather pattern often results in unstable air. If
moisture is present and it often is... clouds... showers and even
thunderstorms develop.

On the calendar... our western Washington convective season usually
begins around March 1st and tends to peak in April. If you encounter
rain and then sunshine... and it repeats seemingly again and again...
those are usually showers associated with an unstable air mass. That
fact is why they are called Spring showers.

Buehner





Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: NOS_PORTS, Tacoma, WA

Updated: 4:30 PM PDT

Temperature: 53 °F Dew Point: - Humidity: - Wind: Calm Pressure: 30.13 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Pierce County EOC, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 51.7 °F Dew Point: 39 °F Humidity: 61% Wind: SW at 15.0 mph Pressure: 30.12 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Central Tacoma, Tacoma, WA

Updated: 5:01 PM PDT

Temperature: 51.0 °F Dew Point: 41 °F Humidity: 68% Wind: SSW at 3.0 mph Pressure: 30.12 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: North End, Tacoma, WA

Updated: 4:56 PM PDT

Temperature: 53.6 °F Dew Point: 43 °F Humidity: 68% Wind: North at - Pressure: 30.15 in Hourly Precipitation: - Windchill: - Graphs

Location: North Tacoma, Tacoma, WA

Updated: 5:00 PM PDT

Temperature: 50.7 °F Dew Point: 40 °F Humidity: 66% Wind: SW at 8.0 mph Pressure: 30.10 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Central Tacoma, Tacoma, WA

Updated: 4:56 PM PDT

Temperature: 53.8 °F Dew Point: 41 °F Humidity: 61% Wind: North at - Pressure: 30.00 in Hourly Precipitation: - Windchill: - Graphs

Location: Jefferson Park/No. 8th & Stevens, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 50.7 °F Dew Point: 36 °F Humidity: 58% Wind: SSW at 5.0 mph Pressure: 30.09 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Snake Lake Watershed, Tacoma, WA

Updated: 4:52 PM PDT

Temperature: 52.0 °F Dew Point: 41 °F Humidity: 66% Wind: WSW at 5.3 mph Pressure: 29.97 in Hourly Precipitation: - Windchill: - Graphs

Location: South Tacoma, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 52.7 °F Dew Point: 41 °F Humidity: 65% Wind: SW at 7.6 mph Pressure: 30.15 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Eastside, Tacoma, WA

Updated: 4:56 PM PDT

Temperature: 53.6 °F Dew Point: 40 °F Humidity: 60% Wind: North at - Pressure: 30.09 in Hourly Precipitation: - Windchill: - Graphs

Location: China Lake, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 50.9 °F Dew Point: 40 °F Humidity: 65% Wind: SSW at 11.0 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: PRS Group, Inc., Tacoma, WA

Updated: 5:00 PM PDT

Temperature: 53.5 °F Dew Point: 35 °F Humidity: 49% Wind: SW at 11.0 mph Pressure: 30.07 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Fife, Fife, WA

Updated: 5:03 PM PDT

Temperature: 55.4 °F Dew Point: 37 °F Humidity: 50% Wind: NE at 6.9 mph Pressure: 30.09 in Hourly Precipitation: - Windchill: - Graphs

Location: South Tacoma, Tacoma, WA

Updated: 4:56 PM PDT

Temperature: 52.9 °F Dew Point: 38 °F Humidity: 56% Wind: North at - Pressure: 30.04 in Hourly Precipitation: - Windchill: - Graphs

Location: North End, Tacoma, WA

Updated: 5:03 PM PDT

Temperature: 53.2 °F Dew Point: 30 °F Humidity: 41% Wind: NW at 4.5 mph Pressure: 29.76 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: NorthEast Tacoma, Tacoma, WA

Updated: 5:03 PM PDT

Temperature: 54.1 °F Dew Point: 37 °F Humidity: 53% Wind: West at 3.7 mph Pressure: 29.88 in Hourly Precipitation: - Windchill: - Graphs

Location: Northeast Tacoma, Stonegate, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 52.3 °F Dew Point: 37 °F Humidity: 56% Wind: South at 8.0 mph Pressure: 30.12 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Browns Point, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 52.9 °F Dew Point: 41 °F Humidity: 63% Wind: South at 9.0 mph Pressure: 30.10 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Cascade, University Place, WA

Updated: 5:04 PM PDT

Temperature: 52.3 °F Dew Point: 35 °F Humidity: 51% Wind: West at 5.4 mph Pressure: 29.68 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Alderdale, Federal Way, WA

Updated: 5:04 PM PDT

Temperature: 61.7 °F Dew Point: 40 °F Humidity: 45% Wind: SSE at 3.4 mph Pressure: 29.80 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Southeast Tacoma, Tacoma, WA

Updated: 4:50 PM PDT

Temperature: 50.7 °F Dew Point: 40 °F Humidity: 68% Wind: SW at 10.9 mph Pressure: 30.03 in Hourly Precipitation: - Windchill: - Graphs

Location: Tacoma, WA

Updated: 4:58 PM PDT

Temperature: 53.6 °F Dew Point: 41 °F Humidity: 62% Wind: South at 9.0 mph Pressure: 30.10 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: MesoWest, Tacoma, WA

Updated: 4:00 PM PDT

Temperature: 50 °F Dew Point: 36 °F Humidity: 59% Wind: SSE at 7 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: Danville Station, Federal Way, WA

Updated: 5:04 PM PDT

Temperature: 57.2 °F Dew Point: 37 °F Humidity: 46% Wind: SSW at 2.5 mph Pressure: 30.18 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: 30th St West, University Place, WA

Updated: 5:04 PM PDT

Temperature: 53.5 °F Dew Point: 39 °F Humidity: 58% Wind: SSW at 4.3 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: 1 Mile SW of Decatur High School, Federal Way, WA

Updated: 5:04 PM PDT

Temperature: 57.4 °F Dew Point: 34 °F Humidity: 40% Wind: SW at 4.0 mph Pressure: 29.88 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: 68th Avenue East, Fife, WA

Updated: 5:02 PM PDT

Temperature: 54.1 °F Dew Point: 39 °F Humidity: 56% Wind: North at - Pressure: 30.01 in Hourly Precipitation: - Windchill: - Graphs

Location: Salmon Beach, Tacoma, WA

Updated: 5:04 PM PDT

Temperature: 54.3 °F Dew Point: 42 °F Humidity: 64% Wind: SW at 10.3 mph Pressure: 30.12 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Dash Point State Park, Federal Way, WA

Updated: 5:04 PM PDT

Temperature: 56.5 °F Dew Point: 36 °F Humidity: 47% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Tunnel de Nanterre-La Défense, Tacoma, WA

Updated: 4:56 PM PDT

Temperature: 51.8 °F Dew Point: 43 °F Humidity: 72% Wind: North at - Pressure: 30.20 in Hourly Precipitation: - Windchill: - Graphs

Location: Alderbrook, Federal Way, WA

Updated: 5:00 PM PDT

Temperature: 53.0 °F Dew Point: 40 °F Humidity: 62% Wind: West at 3.0 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Windchill: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Seattle Washington 
300 PM PDT Tuesday Mar 31 2015 


Synopsis...an upper trough will bring showers and cooler weather 
tonight and Wednesday. Showers will diminish Thursday as weak high 
pressure builds over the area ahead of a frontal system that will 
affect the area on Friday. An upper level low will maintain a chance 
of showers through the weekend. 


&& 


Short term...an upper level trough will maintain cool and showery 
weather across western Washington tonight. Temperatures were in the low to middle 50s 
this afternoon...around 10 degrees cooler than yesterday. A Puget Sound 
sound convergence zone will continue to waver through Snohomish and 
King counties tonight. Showers from the convergence zone may produce 
heavy snow in the Cascades...especially at Stevens Pass...and 
a Winter Weather Advisory remains in effect. The snow level is 
around 4000 feet but will lower to around 3000 feet tonight. Less snow 
is expected at Snoqualmie Pass with 1-3 inches. 


There is still a risk of thunderstorms across western Washington this 
afternoon and evening as the upper level trough axis swings through. 
So far there have been a few strikes in eastern Jefferson County and 
Admiralty Inlet...and a call from a spotter in North Bend reporting 
thunder. Small hail has also been reported with the heavier cells. 
T-storm activity should diminish after sunset. 


The air mass will remain cool and unstable on Wednesday as another 
short wave trough clips through western Washington. Expect more showers and 
a slight chance of thunderstorms once again. Temperatures will remain a few 
degrees below normal...similar to today. 


Overall the forecast looks drier on Thursday as a weak upper level 
ridge moves in. Temperatures will also bump up a few degrees...closer to 
normal. The ridge will flatten Thursday night as our next cold front 
approaches. This front will reach the coast early Friday morning...with 
rain spreading into the interior by the afternoon. 33 


Long term...the air mass will remain cool and unstable this weekend 
through early next week as an upper level low spins offshore. This 
system will continue to pump moisture into western Washington for a chance 
of showers each day. The upper low will weaken and move inland on 
Monday. A warm front will then arrive Monday night or Tuesday for more 
rain. There is good agreement so far between the GFS and European model (ecmwf). 33 


&& 


Hydrology...flooding is unlikely over the next 7 days. 


&& 


Aviation...westerly flow aloft will prevail through this evening as 
a somewhat broad upper level trough moves across the Pacific northwest. The 
air mass is unstable and generally moist with scattered showers. 
There is still a chance of an isolated thunderstorm through about 
03z. An area of more developed showers associated with an embedded 
upper level shortwave trough was over West Washington at 21z...with the back 
edge of the area still about 60 nm offshore. The shower band should 
be completely east of the area between 03z and 06z. A convergence zone 
over north Puget Sound sound may continue off and on through tonight. 


Ceilings are predominantly VFR sct-bkn035-060. Ceilings may lower briefly to 
MVFR in showers. 


Flow aloft will shift to northwest on Wednesday...and another upper level 
shortwave trough will send another line of showers across West Washington. The 
GFS shows lifted indices around -2 Wednesday afternoon and NAM high 
res soundings are unstable...so there is a chance of thunderstorms. 


Ksea...a line of showers will be moving across Puget Sound sound through 
about 03z. This will keep ceilings VFR bkn030-050...but ceilings could still 
lower briefly to bkn020-030 if a shower GOES right over the 
terminal. Ceilings should lift to scattered-bkn050-060 later this evening. 
Surface winds will remain SW 5-15 knots but gusts to 22 knots are possible 
and the winds may shift around as showers cross the area. Kam 


&& 


Marine...onshore flow has weakened significantly this 
afternoon...but the unstable air mass has allowed higher gusts to 
mix down to the surface. Winds in the Strait have remained below 
gale force today...but a line of showers associated with an upper 
level shortwave trough will move across the area late this afternoon 
and evening. The passing shortwave trough combined with the unstable 
air mass may be enough to generate brief periods gale force winds 
or gusts late this afternoon and evening. The Gale Warning has been 
extended until 9 PM this evening but confidence is only moderate and 
any gale force winds that occur will be brief. 


Small craft advisories remain up for the rest of the inland waters 
due primarily to wind gusts in the Small Craft Advisory range. Winds will ease this 
evening. 


The Small Craft Advisory for hazardous seas was extended over all the coastal waters 
until 8 PM. Model forecasts have the swell subsiding to 9 feet 
tonight...but with current buoy observation are still showing 10 feet at 
times...the extension allows a little more time for the seas to 
subside. 


A surface ridge forming offshore will maintain weaker onshore flow 
through Thursday. The flow may still be strong enough Wednesday 
evening for brief Small Craft Advisory west winds in the Strait. 


Models remain consistent in bringing a cold front across West Washington on 
Friday...with Small Craft Advisory winds expected over the coastal waters. Kam 


&& 


Sew watches/warnings/advisories... 
Washington...Winter Weather Advisory Cascades of Snohomish and King 
counties. 
Pz...Small Craft Advisory coastal waters for hazardous seas. 
Small Craft Advisory Admiralty Inlet...northern inland 
waters...Puget Sound sound and Hood Canal. 
Gale Warning central and east Strait of Juan Delaware fuca. 
Small Craft Advisory Grays Harbor for rough bar. 


&& 


$$ 


You can see an illustrated version of this forecast discussion at 
www.Weather.Gov/Seattle/gafd/latest_webafd.Html 



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