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.

Mist

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 39°F (4°C)
Visibility 1.00 mi
Last update 03 Dec 09:35 AM PST
Extended Forecast for

Tumwater WA

  • Today

    Today: A 20 percent chance of rain before 10am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Slight Chance
    Rain and
    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 1am. Patchy dense fog before 1am. Otherwise, cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Dense
    Fog then
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. High near 47. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 42. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 53. Southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Saturday

    Saturday: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

Today
A 20 percent chance of rain before 10am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Tonight
A 50 percent chance of rain, mainly after 1am. Patchy dense fog before 1am. Otherwise, cloudy, with a low around 37. Calm wind.
Thursday
Rain. High near 47. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 42. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 53. Southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 51. Chance of precipitation is 90%.
Saturday Night
Rain. Mostly cloudy, with a low around 43.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Monday
Rain likely. Cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 47.
Tuesday
Rain. Cloudy, with a high near 54.
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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:
7:00 am PST Dec 3, 2025
Forecast Valid:
9am PST Dec 3, 2025-6pm PST Dec 9, 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