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

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

Lat: 13.58°NLon: 144.93°EElev: 614ft.

Mostly Cloudy

86°F

30°C

Humidity 83%
Wind Speed NE 12 mph
Barometer 29.72 in (1005.4 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 20 Aug 3:55 pm ChST
Extended Forecast for

4 Miles N Finegayan Station GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. East northeast wind around 11 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 84. Northeast wind 6 to 11 mph becoming light east northeast after midnight.

    Low: 84 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 87. West northwest wind 3 to 8 mph.

    High: 87 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Mostly cloudy, with a low around 85. Calm wind becoming west southwest 5 to 7 mph after midnight.

    Low: 85 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 87. West southwest wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 85.

    Low: 85 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 84.

    Low: 84 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 86.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 86. East northeast wind around 11 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 84. Northeast wind 6 to 11 mph becoming light east northeast after midnight.
Friday
Isolated showers. Mostly sunny, with a high near 87. West northwest wind 3 to 8 mph.
Friday Night
Isolated showers. Mostly cloudy, with a low around 85. Calm wind becoming west southwest 5 to 7 mph after midnight.
Saturday
Scattered showers. Partly sunny, with a high near 87. West southwest wind 8 to 13 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 85.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 84.
Monday
A chance of showers. Mostly cloudy, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 84.
Tuesday
A chance of showers. Partly sunny, with a high near 86.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 84.
Wednesday
A chance of showers. Mostly cloudy, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 84.
Thursday
A chance of showers. Mostly cloudy, with a high near 86. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Finegayan Station GU
 13.63°N 144.83°E
Last Update:
6:05 am ChST Aug 20, 2026
Forecast Valid:
4pm ChST Aug 20, 2026-6pm ChST Aug 27, 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