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

Port Townsend Jefferson County International Airport (K0S9)

Lat: 48.05517°NLon: 122.81159°WElev: 105.0ft.

Fog

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 36°F (2°C)
Visibility -0.25 mi
Last update 31 Dec 07:15 AM PST
Extended Forecast for

Chimacum WA

  • Today

    Today: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 30. South wind 3 to 5 mph.

    Low: 30 °F

    Patchy Fog

  • New Year's Day

    New Year's Day: A 10 percent chance of rain after 4pm. Cloudy, with a high near 44. South southeast wind around 6 mph.

    High: 44 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 49. South southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 45. Light and variable wind.
Tonight
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 30. South wind 3 to 5 mph.
New Year's Day
A 10 percent chance of rain after 4pm. Cloudy, with a high near 44. South southeast wind around 6 mph.
Thursday Night
A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 35. Calm wind.
Friday
Rain likely. Mostly cloudy, with a high near 49. South southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 50. Chance of precipitation is 80%.
Saturday Night
Rain. Mostly cloudy, with a low around 38.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36.
Monday
A chance of rain. Partly sunny, with a high near 47.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chimacum WA
 48.02°N 122.76°W (Elev. 194 ft)
Last Update:
7:01 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

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