Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

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

Clear

50°F

10°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Jan 01:35 PM PST
Extended Forecast for

5 Miles WSW Port Townsend WA

  • Tonight

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

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 48 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

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

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 38. Calm wind.
Wednesday
Mostly sunny, with a high near 46. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 36. Calm wind.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Port Townsend WA
 48.09°N 122.88°W (Elev. 197 ft)
2:44 pm PST Jan 19, 2026
4pm PST Jan 19, 2026-6pm PST Jan 26, 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