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

Tinian Island, N. Mariana Is, West Tinian Airport (PGWT)

Lat: 14.98°NLon: 145.62°EElev: 269ft.

Partly Cloudy

88°F

31°C

Humidity 79%
Wind Speed W 9 mph
Barometer 29.78 in
Dewpoint 81°F (27°C)
Visibility 7.00 mi
Heat Index106°F (41°C)
Last update 18 Sep 1:55 pm ChST
Extended Forecast for

San Jose (Tinian) GU

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 87. West southwest wind 11 to 13 mph.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 79. Southwest wind 7 to 10 mph.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 87. Southwest wind 6 to 9 mph.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. Southwest wind 5 to 8 mph.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 5 to 7 mph becoming southeast in the morning. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 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 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 87. West southwest wind 11 to 13 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 79. Southwest wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 87. Southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 79. Southwest wind 5 to 8 mph.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 5 to 7 mph becoming southeast in the morning. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Monday Night
A chance of showers. Mostly cloudy, with a low around 79.
Tuesday
A chance of showers. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 79.
Wednesday
A chance of showers. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 81.
Thursday
Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose (Tinian) GU
 14.98°N 145.62°E
Last Update:
6:05 am ChST Sep 18, 2026
Forecast Valid:
1pm ChST Sep 18, 2026-6pm ChST Sep 24, 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