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

CW1035 Port Townsend (C1035)

Lat: 48.12516°NLon: 122.76153°WElev: 232.0ft.

NA

41°F

5°C

Humidity 97%
Wind Speed WNW 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Jan 01:41 AM PST
Extended Forecast for

Coupeville WA

  • Overnight

    Overnight: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Calm wind.
M.L.King Day
Mostly sunny, with a high near 47. Calm wind.
Monday Night
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Partly sunny, with a high near 48. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 39. Calm wind.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly cloudy, with a high near 45.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 46.
Friday Night
A chance of rain. Partly cloudy, with a low around 38.
Saturday
A chance of rain and snow. Partly sunny, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Coupeville WA
 48.22°N 122.7°W (Elev. 3 ft)
1:25 am PST Jan 19, 2026
1am PST Jan 19, 2026-6pm PST Jan 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