Pago Pago, American Samoa Weather Conditions

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Current Conditions

  • 81°
  • Scattered Clouds
  • Wind: NNE 9 mph
  • Humidity: 65%
  • Visibility: 10.0 miles
  • Dew Point: 68°
  • Pressure: 29.93 in. -
  • Heat Index: 83

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Next 12 Hours

2  am
5  am
8  am
11  am
2  pm
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
77°
77°
79°
84°
82°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 77 °
  • Chance of T-Storms
  • Wednesday
  • Chance of Rain
  • High: 86 °
  • Low: 77 °
  • Chance of Rain
  • Thursday
  • Chance of Rain
  • High: 86 °
  • Low: 77 °
  • Chance of Rain
  • Friday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 77 °
  • Chance of T-Storms
  • Saturday
  • Mostly Cloudy
  • High: 86 °
  • Low: 77 °
  • Mostly Cloudy

Forecast for Pago Pago, American Samoa

Updated: 11:00 PM HST on September 29, 2014

  • Tuesday

    Partly cloudy with a chance of a thunderstorm and rain showers, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 86F. Winds from the SW at 5 to 10 mph. Chance of rain 50%.

  • Tuesday Night

    Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 77F. Winds less than 5 mph. Chance of rain 30%.

  • Wednesday

    Partly cloudy with a chance of rain in the afternoon. High of 86F. Winds from the South at 5 to 10 mph shifting to the West in the afternoon. Chance of rain 30%.

  • Wednesday Night

    Partly cloudy with a chance of rain. Low of 77F. Winds less than 5 mph. Chance of rain 30%.

  • Thursday

    Partly cloudy with a chance of rain in the afternoon. High of 86F. Winds from the SSW at 5 to 10 mph shifting to the WNW in the afternoon. Chance of rain 30%.

  • Thursday Night

    Partly cloudy in the evening, then clear. Low of 77F. Winds less than 5 mph.

  • Friday

    Overcast with a chance of a thunderstorm and rain. High of 86F. Winds from the NW at 5 to 10 mph. Chance of rain 40%.

  • Friday Night

    Overcast with a chance of a thunderstorm and rain. Low of 77F. Winds from the WNW at 5 to 10 mph. Chance of rain 40%.

  • Saturday

    Mostly cloudy. High of 86F. Winds from the WNW at 5 to 10 mph.

  • Saturday Night

    Partly cloudy. Low of 77F. Winds from the NW at 5 to 10 mph.

  • Sunday

    Mostly cloudy. High of 86F. Winds from the NW at 5 to 10 mph.

  • Sunday Night

    Mostly cloudy. Low of 79F. Winds from the NW at 5 to 10 mph.

  • Monday

    Overcast. High of 88F. Winds from the WNW at 5 to 10 mph.

  • Monday Night

    Mostly cloudy. Low of 79F. Winds from the NW at 5 to 10 mph.

  • Tuesday

    Overcast. High of 88F. Winds from the NW at 5 to 10 mph shifting to the SW in the afternoon.

  • Tuesday Night

    Partly cloudy. Low of 79F. Winds less than 5 mph.

  • Wednesday

    Partly cloudy. High of 88F. Winds less than 5 mph.

  • Wednesday Night

    Partly cloudy. Low of 79F. Winds less than 5 mph.

  • Thursday

    Clear. High of 88F. Winds less than 5 mph.

  • Thursday Night

    Partly cloudy. Low of 79F. Winds less than 5 mph.

  • Friday

    Clear. High of 88F. Winds less than 5 mph.

  • Friday Night

    Clear. Low of 79F. Winds from the ESE at 5 to 15 mph.

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NWS Forecaster Discussion




Area forecast discussion...updated 
National Weather Service tiyan GU 
issued by National Weather Service Honolulu HI 
900 PM chst Tuesday Sep 30 2014 


Update... 
the tropical storm warnings for Saipan and Tinian have been 
discontinued. A Tropical Storm Warning and a typhoon watch remain 
in effect for alamagan and pagan. 


&& 


Marianas synopsis... 
latest satellite imagery depicts a monsoon trough located over Guam 
as Tropical Storm Phanfone remains about 115 miles north northeast 
of Saipan...or about 240 miles north northeast of Guam. The storm 
continues to track west-northwest. The tropical storm warnings for 
Saipan and Tinian are no longer in effect. Phanfone will be closest 
to the islands later tonight...passing about 100 miles north of 
Saipan. The storm is expected to become a typhoon on Wednesday when 
it should be tracking south of alamagan and pagan...for which a 
Tropical Storm Warning and a typhoon watch remain in effect. Once 
Phanfone moves away from the area...expect an overall synoptic flow 
from the southwest with winds becoming breezy. 


An active weather pattern will keep wet conditions through Friday. 
For the upcoming weekend...winds will shift to a more southerly flow 
and become lighter along with drier conditions. 


&& 


Discussion... 
Phanfone continues to gradually strengthen...and is still expected 
to become a typhoon by tomorrow as it moves west-northwest...passing 
over the Northern Mariana Islands tonight and Wednesday. The latest 
forecast from the Joint Typhoon Warning Center calls for the system 
to intensify to a typhoon just after it passes west of the island 
chain. Saipan and Tinian are no longer under a Tropical Storm 
Warning. However...alamagan and pagan remain under a Tropical Storm 
Warning and a typhoon watch. The monsoon trough should shift 
northward tonight...with increasing southwest winds over the 
southern marianas. 


By Wednesday night...the tropical cyclone threat will diminish as 
Phanfone continues to track northwest and away from the area. Breezy 
and convergent southwest monsoon winds will then prevail until 
Friday...with periods of heavy rain and potential for thunderstorms. 
Lighter south to southeast winds...and fewer showers...are expected 
for the weekend. 


&& 


Marine... 
combined seas will be in the 5 to 7 foot range in the short 
term...mainly from north-northwest swell from Kammuri. Expect 
increasing short-period southwest swells from tonight through 
Thursday...with combined seas increasing...to near 10 feet in Guam 
waters...and to near 14 feet in Saipan waters...Wednesday night 
through Friday night. Saipan and Tinian will see an increase in 
short-period northeast swells today that diminish tonight...with 
strong southwest winds Wednesday and Thursday driving up the short 
period waves from the southwest. 


&& 


Eastern micronesia... 
a weak disturbance just east of Majuro this morning will track 
slowly but steadily toward the west-northwest through the week... 
passing well north of Kosrae and Pohnpei Friday and Saturday. 
Showers and thunderstorms will mainly affect areas east of the 
disturbance. For Majuro...unsettled weather appears most likely on 
Wednesday...potentially extending into Saturday. Kosrae and Pohnpei 
will remain separated from the main impacts of the disturbance. 




&& 


Western micronesia... 
considerable convergence in the relatively strong westerly winds to 
the south of the monsoon trough is keeping a band of overcast clouds 
and scattered deep convection across the area. Weather conditions 
are expected to remain cloudy and rather wet during the next several 
days...especially for Koror and Yap...and less so for Chuuk. 


&& 


Gum watches/warnings/advisories... 
Tropical Storm Warning for the far Northern Mariana Islands 
including pagan and alamagan. 


Typhoon watch for the far Northern Mariana Islands including pagan 
and alamagan. 


Flash Flood Watch through late Wednesday night for Saipan. 


Small Craft Advisory for Guam...Rota...Tinian and Saipan waters 
through 6 PM Thursday. 


&& 


$$ 


Reynes 



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