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.

Overcast

66°F

19°C

Humidity 68%
Wind Speed ENE 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 02 Oct 02:35 PM PDT
Extended Forecast for

Chimacum WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 65. North northwest wind 3 to 5 mph.

    High: 65 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Northwest wind 3 to 7 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 63. Northwest wind 7 to 9 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Northwest wind 5 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65. North northwest wind 3 to 7 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 65. North northwest wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 50. Northwest wind 3 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 63. Northwest wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 49. Northwest wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 65. North northwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chimacum WA
 48.02°N 122.76°W (Elev. 194 ft)
Last Update:
11:26 am PDT Oct 2, 2026
Forecast Valid:
2pm PDT Oct 2, 2026-6pm PDT Oct 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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