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

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Overcast

28°F

-2°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Last update 18 Jan 9:51 am EST
Extended Forecast for

Portland ME

Winter Weather Advisory until January 19, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 19, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • Today

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly before 5am. The snow could be heavy at times. Low around 24. North wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Heavy Snow

  • M.L.King Day

    M.L.King Day: Snow likely, mainly before noon. Partly sunny, with a high near 31. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West wind around 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow between 9pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 3pm. Cloudy, with a high near 34. Southwest wind around 5 mph becoming northeast in the afternoon.
Tonight
Snow, mainly before 5am. The snow could be heavy at times. Low around 24. North wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
M.L.King Day
Snow likely, mainly before noon. Partly sunny, with a high near 31. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly clear, with a low around 18. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 23. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
A chance of snow between 9pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
6:20 am EST Jan 18, 2026
Forecast Valid:
10am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation