7-Day Forecast 13.4°N 144.67°E (Text-Only)
NWS Forecast for: Santa Rosa GU
Issued by: National Weather Service Tiyan, GU
Last Update: 6:05 am ChST Oct 9, 2026
Print


  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Partly sunny, with a high near 86. Southwest wind around 9 mph.  Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 78. Southwest wind 5 to 9 mph.  Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms.  Partly sunny, with a high near 86. Southwest wind 6 to 13 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Saturday
    Night

    Saturday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 78. West southwest wind 9 to 13 mph.  Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers.  Mostly sunny, with a high near 86. West wind 9 to 11 mph.

    High: 86 °F

    Isolated
    Showers

  • Sunday
    Night

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

    Low: 78 °F

    Partly Cloudy

  • Columbus
    Day

    Columbus Day: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind around 9 mph. Chance of precipitation is 40%.

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 6 to 13 mph. Chance of precipitation is 30%.

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West southwest wind 9 to 13 mph. Chance of precipitation is 30%.

    Sunday: Isolated showers. Mostly sunny, with a high near 86. West wind 9 to 11 mph.

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

    Columbus Day: Mostly sunny, with a high near 86.

    Monday Night: Partly cloudy, with a low around 79.

    Tuesday: Mostly sunny, with a high near 85.

    Tuesday Night: Partly cloudy, with a low around 79.

    Wednesday: Mostly sunny, with a high near 86.

    Wednesday Night: Partly cloudy, with a low around 79.

    Thursday: Mostly sunny, with a high near 87.



    Santa Rosa GU
     13.4°N 144.67°E

    Visit your local NWS office at: https://www.weather.gov/gum