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

Saipan Island, Saipan International Airport (PGSN)

Lat: 15.12°NLon: 145.73°EElev: 217ft.

Fair

83°F

28°C

Humidity 88%
Wind Speed S 5 mph
Barometer 29.80 in (1011.1 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Sep 7:54 pm ChST
Extended Forecast for

Garapan GU

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 79. West southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. West southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 79. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 79. Light and variable wind. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 79. West southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. West southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 79. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 79. Light and variable wind. Chance of precipitation is 60%.
Monday
Scattered showers. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 79.
Tuesday
A chance of showers. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 79.
Wednesday
A chance of showers. Partly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 80.
Thursday
Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 80.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Garapan GU
 15.21°N 145.72°E
Last Update:
6:06 pm ChST Sep 18, 2026
Forecast Valid:
8pm ChST Sep 18, 2026-6pm ChST Sep 25, 2026
 
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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