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

36°F

2°C

Humidity 93%
Wind Speed NNE 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 34°F (1°C)
Visibility 0.24 mi
Last update 31 Dec 04:35 PM PST
Extended Forecast for

Tumwater WA

  • Tonight

    Tonight: Patchy dense fog. Widespread frost, mainly between 9pm and 10pm. Otherwise, increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Frost and
    Patchy Dense
    Fog then
    Areas Dense
    Fog

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain
    and Patchy
    Dense Fog
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain. High near 50. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 42. Light east northeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: Rain. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: Rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy dense fog. Widespread frost, mainly between 9pm and 10pm. Otherwise, increasing clouds, with a low around 30. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 50. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 42. Light east northeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 40. Chance of precipitation is 90%.
Sunday
Rain. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
Last Update:
1:25 pm PST Dec 31, 2025
Forecast Valid:
4pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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