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

Hazardous Weather Conditions

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Mist

26°F

-3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 26°F (-3°C)
Visibility 0.75 mi
Last update 31 Dec 06:11 AM PST
Extended Forecast for

Tumwater WA

Dense Fog Advisory until December 31, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 31, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 45 °F

    Frost and
    Patchy Fog
    then Patchy
    Fog

  • Tonight

    Tonight: Patchy dense fog after 7pm. Otherwise, increasing clouds, with a low around 29. Light and variable wind.

    Low: 29 °F

    Patchy Dense
    Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after 4pm. Cloudy, with a high near 43. South wind 3 to 5 mph.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 10pm. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain. High near 50. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Saturday

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

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Today
Patchy fog between 11am and 1pm. Widespread frost before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.
Tonight
Patchy dense fog after 7pm. Otherwise, increasing clouds, with a low around 29. Light and variable wind.
New Year's Day
A 30 percent chance of rain, mainly after 4pm. Cloudy, with a high near 43. South wind 3 to 5 mph.
Thursday Night
Rain, mainly after 10pm. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 50. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 51. Chance of precipitation is 90%.
Saturday Night
Rain. Cloudy, with a low around 40.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
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:
1:25 am PST Dec 31, 2025
Forecast Valid:
6am PST Dec 31, 2025-6pm PST Jan 6, 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