Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

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

Clear

48°F

9°C

Humidity 70%
Wind Speed W 8 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Jan 02:55 PM PST
Extended Forecast for

5 Miles SW Port Townsend WA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 45. Calm wind.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44. North northwest wind 5 to 7 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Northwest wind 3 to 5 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 4am.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind.
Thursday
Increasing clouds, with a high near 45. Calm wind.
Thursday Night
Partly cloudy, with a low around 36. Calm wind.
Friday
Sunny, with a high near 44. North northwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 35. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 35.
Monday
A slight chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Port Townsend WA
 48.06°N 122.87°W (Elev. 0 ft)
1:25 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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