Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

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

Clear

46°F

8°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Oct 06:55 PM PDT
Extended Forecast for

5 Miles WSW Chimacum WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West northwest wind 3 to 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58. Calm wind becoming north around 6 mph in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 37. West northwest wind 6 to 8 mph.

    Low: 37 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Patchy frost before 8am.  Otherwise, sunny, with a high near 59. North northwest wind 9 to 13 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38. West northwest wind 5 to 8 mph.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Patchy frost before 8am.  Otherwise, sunny, with a high near 61.

    High: 61 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. West northwest wind 3 to 7 mph.
Monday
Mostly cloudy, with a high near 58. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 37. West northwest wind 6 to 8 mph.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. North northwest wind 9 to 13 mph.
Tuesday Night
Clear, with a low around 38. West northwest wind 5 to 8 mph.
Wednesday
Patchy frost before 8am. Otherwise, sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 55.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Friday
A slight chance of showers after 11am. Mostly sunny, with a high near 53.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
Saturday
A slight chance of showers. Partly sunny, with a high near 51.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Sunday
A slight chance of showers. Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Chimacum WA
 48°N 122.89°W (Elev. 121 ft)
11:25 am PDT Oct 18, 2026
7pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
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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