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

26°F

-3°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 25°F (-4°C)
Visibility 0.50 mi
Last update 31 Dec 06:54 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. Otherwise, increasing clouds, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °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 38. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °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 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: Rain. High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Today
Patchy fog before 1pm, then patchy fog after 5pm. Widespread frost before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.
Tonight
Patchy dense fog. Otherwise, increasing clouds, with a low around 31. Calm wind becoming south around 5 mph after midnight.
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 38. 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 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 50. Chance of precipitation is 90%.
Saturday Night
Rain. Cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
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
 47.01°N 122.93°W (Elev. 148 ft)
Last Update:
1:25 am PST Dec 31, 2025
Forecast Valid:
7am 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