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

Olympia, Olympia Airport (KOLM)

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

Overcast

57°F

14°C

Humidity 100%
Wind Speed S 5 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 07:30 PM PDT
Extended Forecast for

Tumwater WA

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between midnight and 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. South wind 5 to 7 mph.

    Low: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly after 2pm. Widespread dense fog, mainly before 7am. High near 67. South southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Slight Chance
    Rain and
    Dense Fog
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then rain after 11pm. Low around 51. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers

  • Wednesday

    Wednesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 65. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 51. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. Patchy fog before 10am. High near 63. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between midnight and 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. South wind 5 to 7 mph.
Tuesday
Rain, mainly after 2pm. Widespread dense fog, mainly before 7am. High near 67. South southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then rain after 11pm. Low around 51. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 65. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, with thunderstorms also possible after 11am. Patchy fog before 10am. High near 63. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 48.
Friday
A slight chance of showers. Partly sunny, with a high near 66.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
A chance of showers, mainly before 11am. Partly sunny, with a high near 64.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.99°N 122.92°W (Elev. 151 ft)
Last Update:
2:25 pm PDT Sep 29, 2025
Forecast Valid:
7pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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