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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. 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 66%
Wind Speed NE 14 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Mar 7:55 pm ChST
Extended Forecast for

Andersen AFB GU

Coastal Flood Watch March 17, 08:32pm until March 18, 04:00pm
High Surf Advisory March 17, 08:32pm until March 18, 04:00pm
Click here for hazard details and duration
Coastal Flood Watch
High Surf Advisory
  •  
    Coastal Flood Watch March 17, 08:32pm until March 18, 04:00pm
    High Surf Advisory March 17, 08:32pm until March 18, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 73 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 86. Northeast wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 86 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 73. Northeast wind 10 to 16 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 86. Northeast wind 11 to 17 mph, with gusts as high as 21 mph.

    High: 86 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 72. Northeast wind 10 to 16 mph, with gusts as high as 22 mph.

    Low: 72 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 73. North northeast wind 9 to 15 mph, with gusts as high as 20 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 86. Northeast wind 11 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 73. Northeast wind 10 to 16 mph, with gusts as high as 22 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 86. Northeast wind 11 to 17 mph, with gusts as high as 21 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 72. Northeast wind 10 to 16 mph, with gusts as high as 22 mph.
Friday
Isolated showers. Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 72.
Monday
A chance of showers. Partly sunny, with a high near 89.
Monday Night
A chance of showers. Mostly cloudy, with a low around 72.
Tuesday
A chance of showers. Partly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Andersen AFB GU
 13.56°N 144.93°E
Last Update:
6:05 pm ChST Mar 17, 2026
Forecast Valid:
8pm ChST Mar 17, 2026-6pm ChST Mar 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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