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.

freezing fog

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.57 in (1035.22 mb)
Dewpoint 30°F (-1°C)
Visibility 0.50 mi
Last update 28 Dec 11:54 PM PST
Extended Forecast for

Tumwater WA

  • Overnight

    Overnight: Patchy dense fog. Widespread dense freezing fog, mainly between 1am and 2am. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.

    Low: 33 °F

    Dense
    Freezing Fog
    and Patchy
    Dense Fog

  • Monday

    Monday: Patchy fog before 11am. Areas of freezing fog before 9am. Otherwise, partly sunny, with a high near 44. Light north northeast wind.

    High: 44 °F

    Areas
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain, mainly after 10am. Cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy dense fog. Widespread dense freezing fog, mainly between 1am and 2am. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.
Monday
Patchy fog before 11am. Areas of freezing fog before 9am. Otherwise, partly sunny, with a high near 44. Light north northeast wind.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 44. Calm wind.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 46.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 32.
New Year's Day
A chance of rain, mainly after 10am. Cloudy, with a high near 47.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 37.
Friday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 46.
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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 pm PST Dec 28, 2025
Forecast Valid:
12am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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Additional Resources

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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