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

35°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 35°F (2°C)
Visibility 0.25 mi
Last update 31 Dec 06:54 PM PST
Extended Forecast for

4 Miles WNW Tumwater WA

Dense Fog Advisory December 31, 07:03pm until January 1, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 31, 07:03pm until January 1, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 32 °F

    Frost and
    Areas Dense
    Fog then
    Patchy 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 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °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 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 43. Light east northeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °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 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
Areas of dense fog. Widespread frost before midnight. Otherwise, increasing clouds, 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 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 39. 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 43. Light east northeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter 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 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 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.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Tumwater WA
 47°N 122.99°W (Elev. 174 ft)
Last Update:
7:01 pm PST Dec 31, 2025
Forecast Valid:
7pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation