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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Clear

75°F

24°C

Humidity 44%
Wind Speed NE 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Jul 02:35 PM PDT
Extended Forecast for

Tumwater WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. North northwest wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 49. West wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 85. Light north wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance Rain

  • Saturday Night

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

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. North northwest wind 3 to 5 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 49. West wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Light north wind.
Friday Night
Mostly clear, with a low around 55.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 71.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 47.01°N 122.93°W (Elev. 148 ft)
Last Update:
2:01 pm PDT Jul 29, 2026
Forecast Valid:
2pm PDT Jul 29, 2026-6pm PDT Aug 4, 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