Block Island, Rhode Island Weather Conditions

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Current Conditions

  • 55°
  • Clear
  • Wind: SW 13 mph
  • Humidity: 58%
  • Visibility: 10.0 miles
  • Dew Point: 41°
  • Pressure: 30.01 in. -

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Next 12 Hours

8  pm
11  pm
2  am
5  am
8  am
Partly Cloudy
Partly Cloudy
Chance of Rain
Chance of Rain
Chance of Rain
Chance of Rain
Thunderstorm
T-storms
Chance of a Thunderstorm
Chance of T-storms
55°
57°
59°
61°
61°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Monday
  • Partly Cloudy
  • High: 59 °
  • Low: 57 °
  • Partly Cloudy
  • Tuesday
  • Thunderstorm
  • High: 68 °
  • Low: 55 °
  • T-Storms
  • Wednesday
  • Thunderstorm
  • High: 64 °
  • Low: 57 °
  • T-Storms
  • Thursday
  • Chance of a Thunderstorm
  • High: 61 °
  • Low: 50 °
  • Chance of T-Storms
  • Friday
  • Partly Cloudy
  • High: 59 °
  • Low: 50 °
  • Partly Cloudy

Forecast for Block Island, Rhode Island

Updated: 5:00 PM EDT on October 20, 2014

  • Monday

    Partly cloudy. High of 59F. Breezy. Winds from the West at 10 to 20 mph.

  • Monday Night

    Partly cloudy with a chance of rain, then thunderstorms and a chance of rain after midnight. Low of 57F. Winds from the SSW at 10 to 15 mph. Chance of rain 60%.

  • Tuesday

    Overcast with thunderstorms, then thunderstorms and a chance of rain in the afternoon. High of 68F. Winds from the SSE at 5 to 15 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.

  • Tuesday Night

    Overcast with thunderstorms and a chance of rain. Low of 55F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.

  • Wednesday

    Overcast with rain. High of 64F. Winds from the NE at 10 to 15 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.

  • Wednesday Night

    Overcast with a chance of a thunderstorm and rain. Fog overnight. Low of 57F. Winds from the NNE at 10 to 15 mph. Chance of rain 40% with rainfall amounts near 0.2 in. possible.

  • Thursday

    Overcast in the morning, then mostly cloudy with a chance of a thunderstorm and rain. High of 61F. Winds from the NNW at 10 to 15 mph. Chance of rain 40%.

  • Thursday Night

    Partly cloudy with a chance of a thunderstorm and rain. Fog overnight. Low of 50F. Breezy. Winds from the North at 15 to 20 mph. Chance of rain 40%.

  • Friday

    Partly cloudy. High of 59F. Breezy. Winds from the NNW at 10 to 20 mph.

  • Friday Night

    Partly cloudy. Low of 50F. Winds from the NW at 10 to 15 mph.

  • Saturday

    Partly cloudy. High of 61F. Winds from the NW at 10 to 15 mph.

  • Saturday Night

    Clear. Low of 52F. Breezy. Winds from the NW at 15 to 20 mph.

  • Sunday

    Clear. High of 61F. Breezy. Winds from the NW at 20 to 25 mph.

  • Sunday Night

    Clear. Low of 50F. Breezy. Winds from the NW at 15 to 25 mph.

  • Monday

    Clear. High of 61F. Winds from the WSW at 10 to 15 mph.

  • Monday Night

    Clear. Low of 57F. Breezy. Winds from the SW at 15 to 20 mph.

  • Tuesday

    Partly cloudy. High of 70F. Breezy. Winds from the SSW at 20 to 25 mph.

  • Tuesday Night

    Partly cloudy with a chance of rain. Low of 57F. Breezy. Winds from the WSW at 15 to 25 mph. Chance of rain 40%.

  • Wednesday

    Partly cloudy. High of 61F. Winds from the WNW at 10 to 15 mph.

  • Wednesday Night

    Clear. Low of 46F. Breezy. Winds from the NW at 10 to 20 mph.

  • Thursday

    Clear. High of 48F. Winds from the North at 10 to 15 mph.

  • Thursday Night

    Clear. Low of 46F. Winds from the NNE at 10 to 15 mph.

  • Friday

    Clear. High of 50F. Winds from the NE at 10 to 15 mph.

  • Friday Night

    Clear. Low of 46F. Winds from the East at 10 to 15 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Block Island Water Tower, New Shoreham, RI

Updated: 6:48 PM EDT

Temperature: 55.3 °F Dew Point: 44 °F Humidity: 66% Wind: Calm Pressure: 29.84 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Champlins Road - near Coast Guard, Block Island, RI

Updated: 6:48 PM EDT

Temperature: 55.9 °F Dew Point: 47 °F Humidity: 71% Wind: SW at 12.0 mph Pressure: 29.96 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: RAWS NINIGRET RI US, Wakefield, RI

Updated: 5:25 PM EDT

Temperature: 55 °F Dew Point: 41 °F Humidity: 59% Wind: SW at 6 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Near Charlestown Beach, Charlestown, RI

Updated: 6:47 PM EDT

Temperature: 53.5 °F Dew Point: 48 °F Humidity: 81% Wind: West at 2.0 mph Pressure: 29.99 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Snug Harbor, RI, Wakefield, RI

Updated: 6:45 PM EDT

Temperature: 56.1 °F Dew Point: 46 °F Humidity: 69% Wind: NNW at 19.0 mph Pressure: 30.03 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Westerly, RI

Updated: 6:34 PM EDT

Temperature: 56.1 °F Dew Point: 46 °F Humidity: 70% Wind: West at 12.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Pasquiset Pond, Charlestown, RI

Updated: 6:41 PM EDT

Temperature: 49.3 °F Dew Point: 43 °F Humidity: 78% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Windchill: 49 °F Graphs

Location: Shannock Rd, Charlestown, RI

Updated: 6:48 PM EDT

Temperature: 47.7 °F Dew Point: 45 °F Humidity: 89% Wind: Calm Pressure: 29.95 in Hourly Precipitation: 0.00 in Windchill: 48 °F Graphs

Location: Stone Cove Marina, Wakefield, RI

Updated: 6:47 PM EDT

Temperature: 51.3 °F Dew Point: 45 °F Humidity: 78% Wind: WSW at 2.0 mph Pressure: 30.03 in Hourly Precipitation: - Windchill: - Graphs

Location: Narragansett, Narragansett, RI

Updated: 6:38 PM EDT

Temperature: 51.4 °F Dew Point: 43 °F Humidity: 73% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: APRSWXNET Westerly RI US, Pawcatuck, CT

Updated: 5:56 PM EDT

Temperature: 52 °F Dew Point: 42 °F Humidity: 69% Wind: Calm Pressure: 30.00 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Fishers Island, Fishers Islandd, NY

Updated: 6:40 PM EDT

Temperature: 55.8 °F Dew Point: 42 °F Humidity: 60% Wind: SSW at 2.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Bonnet Shores Beach Club, Narragansett, RI

Updated: 6:48 PM EDT

Temperature: 51.1 °F Dew Point: 43 °F Humidity: 74% Wind: WNW at 2.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: West Passage of Narragansett Bay, near Beavertail, Jamestown, RI

Updated: 6:48 PM EDT

Temperature: 54.0 °F Dew Point: 45 °F Humidity: 72% Wind: WSW at 7.0 mph Pressure: 30.02 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Montauk School, NY

Updated: 5:53 PM EDT

Temperature: 55.0 °F Dew Point: 44 °F Humidity: 66% Wind: NNE at 4.0 mph Pressure: 30.25 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Canonchet Woods, Hopkinton, RI

Updated: 6:47 PM EDT

Temperature: 47.5 °F Dew Point: 38 °F Humidity: 69% Wind: Calm Pressure: 30.07 in Hourly Precipitation: 0.00 in Windchill: 48 °F Graphs

Location: Masons Island Marina, Stonington, CT

Updated: 6:48 PM EDT

Temperature: 55.9 °F Dew Point: 46 °F Humidity: 68% Wind: SSW at 2.0 mph Pressure: 30.01 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Hawks Nest Point, Fishers Island, NY

Updated: 6:47 PM EDT

Temperature: 55.2 °F Dew Point: 45 °F Humidity: 69% Wind: South at 13.0 mph Pressure: 29.99 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Richmond, Richmond, RI

Updated: 6:48 PM EDT

Temperature: 45.8 °F Dew Point: 41 °F Humidity: 84% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Narragansett, Narragansett, RI

Updated: 6:40 PM EDT

Temperature: 52.0 °F Dew Point: - Humidity: - Wind: North at - Pressure: - Hourly Precipitation: - Windchill: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Taunton Massachusetts 
353 PM EDT Monday Oct 20 2014 


Synopsis... 


A long duration coastal storm will bring periods of rain Tuesday 
through Thursday with lingering showers Friday as the storm slowly 
pulls away from New England. Mainly dry weather expected this 
weekend with seasonable temperatures. 


&& 


Near term /until 6 am Tuesday morning/... 


Middle level cloudiness will be on the increase this evening out ahead 
of an approaching shortwave. The shortwave will back the middle level 
flow and allow scattered showers to develop after midnight. Areal 
coverage and location of the scattered showers towards daybreak 
remains uncertain. May initially see a band of scattered 
showers across southern New Hampshire/northwest Massachusetts...but focus may begin 
to shift towards eastern New England near 12z in the vicinity 
of a surface trough. 


Given the increase in cloud cover...low temperatures will be milder than 
last night. Lows will mainly be in the 40s. 


&& 


Short term /6 am Tuesday morning through Tuesday night/... 


***narrow axis of heavy rain possible on Tuesday across eastern new 
england*** 


Tuesday... 


Interesting setup with a closed upper level low to our west and a 
surface trough across eastern New England. The interaction of the 
cold pool aloft...a southerly low level jet and axis of surface 
convergence may lead to some localized heavy rainfall across 
eastern New England. Interesting that the high resolution models 
are showing a narrow axis of 1 to 2 inches of rain somewhere near 
the I-95 corridor. Exact location remains uncertain and it could 
remain offshore...but something to watch. We may be dealing with 
localized nuisance poor drainage street flooding in this region if 
this narrow axis of heavy rain develops. 


Further to the west across interior southern New England...scattered 
showers will be possible but best forcing/moisture will be across 
our eastern zones...so activity should not be as widespread. 


As for convective potential...500 mb temperatures will be below -20c and 
result in elevated instability. Model soundings have been 
indicating mu convective available potential energy on the order of 500 j/kg. Have included isolated 
thunderstorms in the forecast across some of the region. While we 
can/T rule out an isolated thunderstorm across much of the 
region...best shot will be across eastern New England. 


High temperatures will mainly be in the upper 50s and lower 60s across the 
region. 


Tuesday night... 


Appears that the deeper moisture/lift temporarily shifts to the 
north of our region and into norther New England. 
Nonetheless...cyclonic flow around low pressure will still result in 
scattered showers at times. The activity will probably be most 
widespread across our far northern zones...closer to the better 
dynamics and forcing. Low temperatures will only drop into the upper 40s 
and lower 50s in most locations. 


&& 


Long term /Wednesday through Monday/... 
big picture... 


Closed upper low over the middle Atlantic coast Wednesday migrates 
across New England Thursday and into the Maritimes Friday. Shortwave 
from the Pacific northwest races across the northern tier of states 
this week and crosses New England Saturday. High pressure ridge then 
builds over the northeast USA Sunday and Monday. Height contours are 
below normal much of the week under the influence of the upper 
low...then recover to normal levels by Sunday as the ridge builds. 


This pattern favors a cool wet middle and late week...then dry and 
seasonable by Sunday and Monday. Moderate confidence in the types 
of weather...but low confidence in exact timing. 


The dailies... 


Wednesday-Thursday...coastal low surface and aloft will dominate our 
weather as it moves up the coast. Low pressure to our south and an 
east 50-60 knot low level jet across coastal Maine and wrapping into 
NH/VT. This may bring enhanced isentropic lift across southern New Hampshire 
and northern mass...with weaker lift farther south. By Thursday the 
cold core is directly overhead. So Wednesday is a transition from 
stratiform to convective...Thursday mainly convective. Sufficient 
instability both days to indicate a chance of thunder. 


Friday...low pressure surface and aloft will move off to the east. 
Cold core still close enough to provide clouds and some instability. 
Should continue to be a diminishing chance of showers. 


Saturday...cold front associated with upper shortwave moves through 
later Saturday or Saturday night. The approach of this front may 
actually be the nudge that gets the last of the cold pool clouds out 
of our area. The front will bring a period of clouds. The 
potential for showers is less defined and so we feature just slight 
chance probability of precipitation in southern New Hampshire and northern mass. Temperatures aloft support daytime 
maximum temperatures in the 60s. 


Sunday-Monday...high pressure builds over the northeast with temperatures 
aloft warmer from Sunday to Monday. Temperatures aloft support 60s both 
days. 


&& 


Aviation /20z Monday through Saturday/... 
forecaster confidence levels... 


Low...less than 30 percent. 
Moderate...30 to 60 percent. 
High...greater than 60 percent. 


Short term /through Tuesday night/... 


This afternoon...high confidence in VFR. 


Tonight...high confidence in VFR. Scattered showers may develop 
after midnight but expect most locations to remain VFR. 


Tuesday...moderate confidence. Conditions probably deteriorate to 
mainly MVFR thresholds...but brief IFR ceilings/visibilities are possible. 
Scattered showers expected with an isolated thunderstorm or two 
possible. Bulk of the focus should be across eastern New England. 


Tuesday night...moderate confidence. Low end MVFR to perhaps IFR 
conditions dominate in low clouds...scattered showers and fog 
patches. The bulk of the activity will likely be found across our 
northern zones. 


Kbos...high confidence in taf tonight with moderate confidence on 
Tuesday. Low probability of an isolated thunderstorm on Tuesday. 


Kbdl...high confidence in taf tonight with moderate confidence on 
Tuesday. 


Outlook...Wednesday through Saturday...moderate confidence. 


Wednesday-Thursday...prolonged period of mixed MVFR/IFR...with more 
IFR in rain Wednesday and more MVFR in showers Thursday. Chance of 
thunder both days. Chance of 30 knot east-northeast wind gusts 
Wednesday morning along the Outer Cape and Massachusetts North Shore 
areas. 


Friday-Saturday...VFR. Areas of MVFR ceilings/visibilities in showers on 
Friday...with the best chance in southern New Hampshire and eastern mass. 


&& 


Marine... 
forecaster confidence levels... 


Low...less than 30 percent. 
Moderate...30 to 60 percent. 
High...greater than 60 percent. 


Short term /tonight through Tuesday night/... 


Tonight...high confidence. High pressure will continue to move 
further east of the region. This will result in south to southwest 
winds of 10 to 15 knots. However...winds/seas should remain below 
Small Craft Advisory thresholds. 


Tuesday and Tuesday night...moderate to high confidence. Developing 
low pressure south of the waters will combined with a 1030 mb high 
over eastern Canada. Easterly winds on Tuesday will begin to shift 
to the northeast Tuesday night as pressure gradient strengthens. 
Pretty much a lock that Small Craft Advisory seas will develop across our eastern and 
particularly our northern outer-waters Tuesday afternoon into Tuesday night. 
In fact...by daybreak Wednesday seas may be approaching 10 feet 
across our far northern waters along with gusts up to 30 knots. Small Craft Advisory 
headlines posted for this region. 


We may also see some 5 foot seas develop across the southern waters 
towards 12z Wednesday...but its too marginal for late 3rd period Small Craft Advisory 
headlines in this region. 


Outlook...Wednesday through Saturday...moderate confidence. 


Wednesday-Thursday...low level east-northeast jet will be feeding 
into the Maine middle-coast Wednesday. The potential for strong surface 
winds should remain north of our waters. Winds of 25-30 knots may 
extend as far south as the Merrimack River and possibly Cape Ann. 
Winds diminish and become variable Thursday as the coastal low moves 
across the waters. Seas Wednesday reach 5 feet on the outer waters 
with 8 to 10 feet possible from Cape Ann to Merrimack River. By 
Thursday the persistent northeast flow will expand the area of 8 
to 10 foot seas across the eastern waters. Small Craft Advisory 
will be needed for the eastern waters and southern outer waters. 


Friday... as the coastal low pressure moves off toward the 
Maritimes...winds will become northwest with gusts around 20 knots. 
With the shifting of the wind direction to offshore...we expect seas 
to diminish. But 5 foot seas may linger on the outer waters through 
the day. 


Saturday...winds and seas should remain below small craft levels. 


&& 


Box watches/warnings/advisories... 
CT...none. 
Massachusetts...none. 
New Hampshire...none. 
Rhode Island...none. 
Marine...Small Craft Advisory from noon Tuesday to 8 am EDT Wednesday 
for anz250-254. 
Small Craft Advisory from 3 PM Tuesday to 8 am EDT Wednesday 
for anz251. 


&& 


$$ 
Synopsis...Frank/wtb 
near term...Frank 
short term...Frank 
long term...wtb 
aviation...Frank/wtb 
marine...Frank/wtb 






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