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 NA
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint N/A
Visibility -0.25 mi
Last update NA
Extended Forecast for

4 Miles W Chimacum WA

  • Today

    Today: Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 47. Southeast wind 3 to 5 mph.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 52. Southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Light and variable wind.
Tonight
Mostly cloudy, with a low around 36. Calm wind becoming south southwest around 5 mph after midnight.
New Year's Day
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 47. Southeast wind 3 to 5 mph.
Thursday Night
A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 41. Calm wind.
Friday
Rain likely. Mostly cloudy, with a high near 52. Southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 52. Chance of precipitation is 80%.
Saturday Night
Rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 51.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Partly sunny, with a high near 50.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Chimacum WA
 48.02°N 122.86°W (Elev. 112 ft)
Last Update:
7:01 am PST Dec 31, 2025
Forecast Valid:
8am PST Dec 31, 2025-6pm PST Jan 6, 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