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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

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

Partly Cloudy

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Sep 01:15 AM PDT
Extended Forecast for

3 Miles ESE Chimacum WA

  • Overnight

    Overnight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 68. South southeast wind 5 to 8 mph becoming east northeast in the afternoon.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 50. North northwest wind around 6 mph becoming calm after midnight.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Northwest wind 3 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Calm wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 68. South southeast wind 5 to 8 mph becoming east northeast in the afternoon.
Friday Night
Increasing clouds, with a low around 50. North northwest wind around 6 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. Northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Chimacum WA
 48°N 122.73°W (Elev. 236 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
1am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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