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 75%
Wind Speed E 9 mph
Barometer 29.83 in
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index103°F (39°C)
Last update 21 Sep 4:55 pm ChST
Extended Forecast for

San Jose (Tinian) GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 88. South southeast wind around 10 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Mostly cloudy, with a low around 86. Southeast wind 8 to 10 mph.

    Low: 86 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Southeast wind 9 to 11 mph. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 85. Southeast wind around 11 mph. Chance of precipitation is 50%.

    Low: 85 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 9 to 13 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 85.

    Low: 85 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 85.

    Low: 85 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 88. South southeast wind around 10 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Mostly cloudy, with a low around 86. Southeast wind 8 to 10 mph.
Tuesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Southeast wind 9 to 11 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 85. Southeast wind around 11 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 9 to 13 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 85.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 85.
Friday
A chance of showers. Mostly cloudy, with a high near 87.
Friday Night
A chance of showers. Mostly cloudy, with a low around 85.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 85.
Sunday
A chance of showers. Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 85.
Monday
Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose (Tinian) GU
 14.98°N 145.6°E
Last Update:
6:06 am ChST Sep 21, 2026
Forecast Valid:
5pm ChST Sep 21, 2026-6pm ChST Sep 28, 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