Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Light Rain Fog/Mist

25°C

77°F

Humidity 96%
Wind Speed Calm
Barometer 29.80 in
Dewpoint 24°C (76°F)
Visibility 4.83 km
Heat Index26°C (78°F)
Last update 21 Jul 5:05 am ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

    Overnight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 24. South southeast wind around 11 km/h.  Chance of precipitation is 30%.

    Low: 24 °C

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 31. South wind 11 to 21 km/h.  Chance of precipitation is 40%.

    High: 31 °C

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 25. East southeast wind 10 to 14 km/h.  Chance of precipitation is 30%.

    Low: 25 °C

    Scattered
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. South southeast wind 10 to 15 km/h increasing to 16 to 21 km/h.

    High: 31 °C

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 24. Southeast wind 5 to 10 km/h becoming calm  after midnight.  Chance of precipitation is 40%.

    Low: 24 °C

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms.  Partly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °C

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 24.

    Low: 24 °C

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 31.

    High: 31 °C

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely.  Mostly cloudy, with a low around 24.

    Low: 24 °C

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 24. South southeast wind around 11 km/h. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 31. South wind 11 to 21 km/h. Chance of precipitation is 40%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 25. East southeast wind 10 to 14 km/h. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 31. South southeast wind 10 to 15 km/h increasing to 16 to 21 km/h.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 24. Southeast wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 24.
Thursday
A chance of showers. Mostly cloudy, with a high near 31.
Thursday Night
Showers likely. Mostly cloudy, with a low around 24.
Friday
Showers likely. Cloudy, with a high near 29.
Friday Night
A chance of showers. Mostly cloudy, with a low around 24.
Saturday
Showers likely. Cloudy, with a high near 29.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 24.
Sunday
A chance of showers. Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
4:00 am ChST Jul 21, 2025
5am ChST Jul 21, 2025-6pm ChST Jul 27, 2025
 
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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