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

Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. 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

78°F

26°C

Humidity 92%
Wind Speed NE 16 mph
Barometer 29.83 in (1009.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 23 Mar 10:55 pm ChST
Extended Forecast for

Andersen AFB GU

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. East northeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 75 °F

    Heavy Rain

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. East northeast wind 10 to 14 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 86. East northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Mostly cloudy, with a low around 75. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 75 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 75.

    Low: 75 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

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

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. East northeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. East northeast wind 10 to 14 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 86. East northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 75. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 88.
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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:
6:06 pm ChST Mar 23, 2026
Forecast Valid:
11pm ChST Mar 23, 2026-6pm ChST Mar 30, 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