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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

78°F

26°C

Humidity 85%
Wind Speed SE 5 mph
Barometer 29.76 in (1007.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Jan 2:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 75. East wind around 6 mph.

    Low: 75 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 86. East wind 7 to 9 mph.

    High: 86 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 3 to 8 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 85. East wind 6 to 9 mph.

    High: 85 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 75. East northeast wind 5 to 7 mph.

    Low: 75 °F

    Isolated
    Showers

  • M.L.King Day

    M.L.King Day: Isolated showers. Mostly sunny, with a high near 85.

    High: 85 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 75. East wind around 6 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 86. East wind 7 to 9 mph.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 3 to 8 mph. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 85. East wind 6 to 9 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 75. East northeast wind 5 to 7 mph.
M.L.King Day
Isolated showers. Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Thursday
A chance of showers. Partly sunny, with a high near 88.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:06 pm ChST Jan 16, 2026
Forecast Valid:
3am ChST Jan 17, 2026-6pm ChST Jan 23, 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