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 >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

84°F

29°C

Humidity 51%
Wind Speed N 13 G 24 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Mar 1:54 pm ChST
Extended Forecast for

Tamuning GU

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

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 86 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers.  Partly cloudy, with a low around 73. North northeast wind 9 to 14 mph.

    Low: 73 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 86. Northeast wind 11 to 16 mph, with gusts as high as 22 mph.

    High: 86 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Partly cloudy, with a low around 73. Northeast wind 9 to 15 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 10 to 16 mph, with gusts as high as 22 mph.

    High: 86 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 72.

    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

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 86. North northeast wind around 14 mph, with gusts as high as 18 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 73. North northeast wind 9 to 14 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 86. Northeast wind 11 to 16 mph, with gusts as high as 22 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 73. Northeast wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 86. Northeast wind 10 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 72.
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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
2:33 pm ChST Mar 17, 2026
2pm ChST Mar 17, 2026-6pm ChST Mar 23, 2026
 
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