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.

Fog

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 31 Dec 09:15 PM PST
Extended Forecast for

3 Miles NW Tumwater WA

Dense Fog Advisory December 31, 09:38pm until January 1, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 31, 09:38pm until January 1, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 32 °F

    Frost and
    Dense Fog
    then Areas
    Dense Fog

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Patchy dense fog before 1pm. Otherwise, cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Thursday Night

    Thursday Night: Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain. High near 49. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 43. Light east northeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Rain

  • Sunday

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

    High: 49 °F

    Rain

Detailed Forecast

Tonight
Widespread dense fog, mainly between 10pm and 11pm. Widespread frost before midnight. Otherwise, mostly cloudy, with a low around 32. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Patchy dense fog before 1pm. Otherwise, cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 49. 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 43. 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 51. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 42. Chance of precipitation is 90%.
Sunday
Rain. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 47.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Tumwater WA
 47.02°N 122.96°W (Elev. 259 ft)
Last Update:
7:01 pm PST Dec 31, 2025
Forecast Valid:
9pm PST Dec 31, 2025-6pm PST Jan 7, 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