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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

Lat: 46.97333°NLon: 122.90333°WElev: 203.0ft.

Clear

70°F

21°C

Humidity 60%
Wind Speed W 10 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Aug 06:00 PM PDT
Extended Forecast for

Tumwater WA

  • Tonight

    Tonight: Increasing clouds, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72. West southwest wind 6 to 9 mph.

    High: 72 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. West wind 5 to 9 mph becoming light southwest after midnight.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph.
Saturday
A 40 percent chance of rain after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72. West southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 48. West wind 5 to 9 mph becoming light southwest after midnight.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 76.
Monday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Mostly cloudy, with a high near 72.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
Rain likely. Mostly cloudy, with a high near 67.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.99°N 122.92°W (Elev. 151 ft)
Last Update:
12:56 pm PDT Aug 27, 2026
Forecast Valid:
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation