National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

Lat: 48.05517°NLon: 122.81159°WElev: 105.0ft.

Clear

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Sep 06:35 AM PDT
Extended Forecast for

4 Miles E Chimacum WA

  • Today

    Today: Sunny, with a high near 67. South southeast wind 6 to 10 mph becoming northeast in the afternoon.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. North wind 5 to 7 mph becoming calm after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 64. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Northwest wind 5 to 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. North northwest wind 5 to 9 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. South southeast wind 6 to 10 mph becoming northeast in the afternoon.
Tonight
Increasing clouds, with a low around 53. North wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 64. Calm wind becoming north 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. Northwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 63. North northwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Chimacum WA
 48°N 122.7°W (Elev. 0 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
6am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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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