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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed E 8 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Dec 11:54 pm ChST
Extended Forecast for

Sinajana GU

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 75. East southeast wind around 7 mph.

    Low: 75 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 13 mph.

    High: 88 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. East northeast wind 8 to 11 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 75. East southeast wind around 7 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 9 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 78. East northeast wind 8 to 11 mph.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly 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:
Sinajana GU
 13.47°N 144.76°E
Last Update:
6:05 pm ChST Dec 5, 2025
Forecast Valid:
12am ChST Dec 6, 2025-6pm ChST Dec 12, 2025
 
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