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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Fog

52°F

11°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 0.50 mi
Last update 20 Aug 06:15 AM PDT
Extended Forecast for

Tumwater WA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 85. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 85 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Light and variable wind.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 83. Light northwest wind.

    High: 83 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 56. West southwest wind 3 to 6 mph.

    Low: 56 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 71. Southwest wind 6 to 9 mph.

    High: 71 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 85. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 56. Light and variable wind.
Friday
Mostly cloudy, with a high near 83. Light northwest wind.
Friday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 56. West southwest wind 3 to 6 mph.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 71. Southwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly cloudy, with a high near 73.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Aug 19, 2026
Forecast Valid:
6am PDT Aug 20, 2026-6pm PDT Aug 26, 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