Pago Pago, American Samoa Weather Conditions

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Current Conditions

  • 79°
  • Clear
  • Wind: NNW 6 mph
  • Humidity: 69%
  • Visibility: 10.0 miles
  • Dew Point: 68°
  • Pressure: 29.98 in. +

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Next 12 Hours

9  am
12  pm
3  pm
6  pm
9  pm
Clear
Clear
Clear
Clear
Clear
Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
80°
83°
83°
80°
78°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Clear
  • High: 85 °
  • Low: 72 °
  • Clear
  • Sunday
  • Chance of Rain
  • High: 83 °
  • Low: 73 °
  • Chance of Rain
  • Monday
  • Chance of Rain
  • High: 82 °
  • Low: 72 °
  • Chance of Rain
  • Tuesday
  • Chance of Rain
  • High: 82 °
  • Low: 72 °
  • Chance of Rain
  • Wednesday
  • Chance of Rain
  • High: 82 °
  • Low: 72 °
  • Chance of Rain

Forecast for Pago Pago, American Samoa

Updated: 5:22 AM HST on January 25, 2015

  • Saturday

    Mostly sunny. High around 85F. Winds NW at 10 to 15 mph.

  • Saturday Night

    A few clouds. Low 72F. Winds S at 5 to 10 mph.

  • Sunday

    Partly cloudy skies during the morning hours will give way to occasional showers in the afternoon. High 83F. Winds NW at 10 to 15 mph. Chance of rain 50%.

  • Sunday Night

    Partly cloudy skies. Low 73F. Winds NNE at 10 to 15 mph.

  • Monday

    Partly cloudy skies during the morning hours will give way to occasional showers in the afternoon. High 82F. N winds shifting to SW at 10 to 15 mph. Chance of rain 60%.

  • Monday Night

    Cloudy with showers. Low 72F. Winds E at 5 to 10 mph. Chance of rain 40%.

  • Tuesday

    Cloudy with occasional showers. High 82F. Winds SSW at 10 to 15 mph. Chance of rain 60%.

  • Tuesday Night

    Partly cloudy skies early followed by mostly cloudy skies and a few showers later at night. Low 72F. Winds SE at 5 to 10 mph. Chance of rain 30%.

  • Wednesday

    Overcast with rain showers at times. High 82F. Winds SSW at 10 to 15 mph. Chance of rain 60%.

  • Wednesday Night

    Partly cloudy skies early followed by mostly cloudy skies and a few showers later at night. Low 72F. Winds SE at 5 to 10 mph. Chance of rain 30%.

  • Thursday

    Partly cloudy early followed by mostly cloudy skies and a few showers later in the day. High 83F. Winds SSW at 10 to 15 mph. Chance of rain 30%.

  • Thursday Night

    Clear to partly cloudy. Low 72F. Winds SE at 5 to 10 mph.

  • Friday

    Overcast with showers at times. High 82F. Winds SW at 10 to 15 mph. Chance of rain 40%.

  • Friday Night

    Cloudy with a few showers. Low 72F. Winds S at 5 to 10 mph. Chance of rain 30%.

  • Saturday

    Considerable cloudiness with occasional rain showers. High 82F. Winds SW at 10 to 15 mph. Chance of rain 60%.

  • Saturday Night

    Rain showers early with clearing later at night. Low 72F. Winds SE at 5 to 10 mph. Chance of rain 50%.

  • Sunday

    Partly cloudy skies during the morning hours will give way to occasional showers in the afternoon. High 83F. Winds SW at 10 to 15 mph. Chance of rain 40%.

  • Sunday Night

    Rain showers early with clearing later at night. Low 72F. Winds SSE at 5 to 10 mph. Chance of rain 40%.

  • Monday

    Overcast with showers at times. High 84F. Winds SSW at 10 to 15 mph. Chance of rain 40%.

  • Monday Night

    Partly cloudy skies. Low 72F. Winds SE at 10 to 15 mph.

  • Tuesday

    Intervals of clouds and sunshine. High 84F. Winds SSW at 10 to 15 mph.

  • Tuesday Night

    A few clouds from time to time. Low 72F. Winds SE at 5 to 10 mph.

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NWS Forecaster Discussion




Area forecast discussion...updated 
National Weather Service tiyan GU 
445 PM chst Sat Apr 25 2015 


Updated to add micronesia discussion 


Synopsis... 
gentle to moderate east-southeast winds and isolated showers 
prevail across the marianas this afternoon. The axis of a surface 
trough is currently passing through the western marianas coastal 
waters. Farther south...a tropical disturbance will continue to 
head slowly west. 


&& 


Discussion... 
a surface trough passed through the marianas this afternoon. 
Northeast winds this morning have shifted to the east-southeast. 
Winds will veer back to the east overnight. Much of the showers 
associated with this trough passed through the islands this 
morning and are now mainly to the west. 


00z ascat analysis shows the tropical disturbance south of Guam to 
be located near 7n144e. Visible satellite animation shows another area 
of interest near Chuuk...near 6n153e. Unfortunately...ascat pass 
missed this area. These disturbances are still expected to track 
slowly west the next several days. As has been the case...much of 
the weather associated with these disturbances is expected to 
keep to the south of the marianas. Still feel that isolated 
showers is best bet based on model guidance...but cannot rule out 
periods of scattered showers sometime Sunday through Monday night. 


By midweek...models diverge. GFS favors a light and variable wind 
pattern over the region vs the gentle to moderate east winds of 
the European model (ecmwf). Decided to keep with persistence and go with the European model (ecmwf) 
through midweek. Sea conditions will remain benign the next few 
days with a dominant east swell...and combined seas of 5 to 7 feet 
through the weekend. 


&& 


Eastern micronesia... 
a near-equatorial trough and an associated tropical disturbance 
remain to the west of Pohnpei and Kosrae this afternoon...with 
another weak disturbance to the east near Majuro. As a result...weak 
ridging is in place over both locations and will help promote dry 
and fair conditions through tonight at Kosrae and through Sunday at 
Pohnpei. As the disturbances continue to drift westward...increasing 
clouds and showers will move into Kosrae Sunday and then to Pohnpei 
Sunday night. Maintained previous forecast for scattered showers at 
Kosrae Sunday night and Monday for now...but conditions are looking 
less favorable for anything more than isolated. Scattered convection 
associated with weak disturbance near Majuro continues to decrease 
this afternoon. Expect showers to again surge later tonight...with 
scattered showers likely at Majuro around midnight. As the 
disturbance moves farther westward...weak ridging is expected to 
move into the Marshalls bringing fair conditions back to Majuro 
Monday. This will continue through the end of the week and spread 
westward into Kosrae Monday night and Pohnpei Tuesday. 


&& 


Western micronesia... 
a near-equatorial trough extends eastward from near 4n130e through a 
tropical disturbance centered southeast of Yap near 7n144e to end at 
a second weak circulation centered south of Chuuk near 6n153e. 
Showers associated with the second circulation near Chuuk brought 
heavy rainfall to weno overnight. Convection has wained this 
afternoon...but is expected to again increase later tonight. Koror 
is also enjoying a brief respite from scattered showers this 
afternoon while scattered showers continue to the southwest of Koror 
and southeast of Yap. Showers will redevelop over Koror later this 
evening and will move into Yap as well by midnight. Fair conditions 
will return to Chuuk around midweek as the circulations and trough 
continue to drift westward and continue through the end of the week. 
Unsettled conditions will continue across Yap and Palau through the 
end of the week...though deep convection is not expected beyond 
Tuesday. 


&& 


Gum watches/warnings/advisories... 
GU...none. 
Marianas waters...none. 
&& 


$$ 


M. Aydlett/kleeschulte 






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