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

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 03 Dec 01:15 PM PST
Extended Forecast for

3 Miles SW Chimacum WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain before 10pm, then rain likely after midnight. Mostly cloudy, with a low around 34. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain. High near 46. South southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 37. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain. High near 52. South wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Saturday Night

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

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 45. Calm wind.
Tonight
A slight chance of rain before 10pm, then rain likely after midnight. Mostly cloudy, with a low around 34. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 46. South southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 37. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 52. South wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 51. Chance of precipitation is 90%.
Saturday Night
Rain. Mostly cloudy, with a low around 38.
Sunday
Rain. Cloudy, with a high near 52.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 39.
Monday
Rain. Cloudy, with a high near 52.
Monday Night
Rain. Cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Chimacum WA
 47.97°N 122.81°W (Elev. 400 ft)
Last Update:
1:25 pm PST Dec 3, 2025
Forecast Valid:
1pm PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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