National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Andersen, Mariana Is, Andersen Air Force Base (PGUA)

Lat: 13.58°NLon: 144.93°EElev: 614ft.

Overcast

80°F

27°C

Humidity 91%
Wind Speed E 15 G 21 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 77°F (25°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 13 Jan 11:55 pm ChST
Extended Forecast for

Andersen AFB GU

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 77. East wind around 14 mph, with gusts as high as 18 mph.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. East wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East wind 8 to 14 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 10 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 76. East wind 10 to 16 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Isolated
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 77. East wind around 14 mph, with gusts as high as 18 mph.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. East wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East wind 8 to 14 mph. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 10 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 10 to 16 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 76.
M.L.King Day
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 76.
Tuesday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Andersen AFB GU
 13.56°N 144.93°E
Last Update:
6:05 pm ChST Jan 13, 2026
Forecast Valid:
12am ChST Jan 14, 2026-6pm ChST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation