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.

Mostly Cloudy

52°F

11°C

Humidity 76%
Wind Speed S 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Nov 12:35 PM PST
Extended Forecast for

Chimacum WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. South southeast wind 6 to 9 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 3am. Increasing clouds, with a low around 36. South wind 3 to 5 mph.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain. Mostly cloudy, with a high near 52. South southeast wind around 9 mph.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 41. South southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely. Patchy fog between 4pm and 5pm. Otherwise, mostly cloudy, with a high near 54. South southeast wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Sunday

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

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain

  • Monday

    Monday: A chance of rain, mainly before 4pm. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 52. South southeast wind 6 to 9 mph.
Tonight
A 20 percent chance of rain after 3am. Increasing clouds, with a low around 36. South wind 3 to 5 mph.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 52. South southeast wind around 9 mph.
Friday Night
Rain likely. Mostly cloudy, with a low around 41. South southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely. Patchy fog between 4pm and 5pm. Otherwise, mostly cloudy, with a high near 54. South southeast wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 52. Chance of precipitation is 80%.
Sunday Night
Rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 49.
Monday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 46.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 46.
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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:
7:00 am PST Nov 20, 2025
Forecast Valid:
12pm PST Nov 20, 2025-6pm PST Nov 26, 2025
 
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Additional Resources

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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