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.

Fog

33°F

1°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 30 Dec 08:04 AM PST
Extended Forecast for

Tumwater WA

  • Today

    Today: Areas of dense fog before noon, then patchy dense fog after 5pm. Otherwise, partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Areas Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Areas Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 45. Light south wind.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

Today
Areas of dense fog before noon, then patchy dense fog after 5pm. Otherwise, partly sunny, with a high near 42. Calm wind.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 45. Calm wind.
Wednesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
New Year's Day
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 45. Light south wind.
Thursday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. Chance of precipitation is 80%.
Friday Night
Rain. Mostly cloudy, with a low around 39.
Saturday
Rain. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38.
Sunday
Rain likely. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
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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:
7:01 am PST Dec 30, 2025
Forecast Valid:
8am PST Dec 30, 2025-6pm PST Jan 5, 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