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.

freezing fog

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 30°F (-1°C)
Visibility 0.50 mi
Last update 31 Dec 12:54 AM PST
Extended Forecast for

4 Miles WNW Tumwater WA

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

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 33 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 45. Calm wind.

    High: 45 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 44. Light south wind.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 41. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 45. Calm wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 31. Calm wind.
New Year's Day
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 44. Light south wind.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 41. Chance of precipitation is 90%.
Saturday
Rain. Cloudy, with a high near 49.
Saturday Night
Rain. Mostly cloudy, with a low around 40.
Sunday
Rain likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely. 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 and snow. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Tumwater WA
 47°N 122.99°W (Elev. 174 ft)
Last Update:
7:00 pm PST Dec 30, 2025
Forecast Valid:
1am PST Dec 31, 2025-6pm PST Jan 6, 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