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.

freezing fog

28°F

-2°C

Humidity NA
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint N/A
Visibility 0.25 mi
Last update NA
Extended Forecast for

Chimacum WA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am, then patchy fog after 5pm. Otherwise, partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog between 7pm and 1am. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • New Year's Day

    New Year's Day: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 35. Calm wind.
Tuesday
Patchy fog before 9am, then patchy fog after 5pm. Otherwise, partly sunny, with a high near 44. Calm wind.
Tuesday Night
Patchy fog between 7pm and 1am. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Wednesday
Partly sunny, with a high near 45. Calm wind.
Wednesday Night
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 32. Calm wind.
New Year's Day
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 45.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 36.
Friday
Rain likely. Mostly cloudy, with a high near 48.
Friday Night
Rain likely. Mostly cloudy, with a low around 37.
Saturday
Rain likely. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
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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:
1:25 am PST Dec 30, 2025
Forecast Valid:
1am PST Dec 30, 2025-6pm PST Jan 5, 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