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 78%
Wind Speed Calm
Barometer 29.81 in (1009.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 29 Dec 12:51 am EST
Extended Forecast for

Portland ME

Winter Weather Advisory December 29, 01:37am until December 29, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 29, 01:37am until December 29, 07:00pm

    NOW until 7:00pm Mon

    Winter Weather Advisory

  • Overnight

    Low: 28 °F

    Wintry Mix
    and Areas Fog

  • Monday

    Monday: Rain. Patchy fog. High near 42. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 42 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind around 15 mph, with gusts as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 19 °F

    Chance Rain
    then Mostly
    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 24 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow between 7pm and 5am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.

    Low: 15 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Sunny, with a high near 21.

    High: 21 °F

    Sunny

Detailed Forecast

Overnight
Freezing rain before 4am, then rain, possibly mixed with sleet. Areas of fog after 3am. Low around 28. South wind 5 to 10 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of 0.1 to 0.2 of an inch possible. Little or no sleet accumulation expected.
Monday
Rain. Patchy fog. High near 42. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
A 30 percent chance of rain, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind around 15 mph, with gusts as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, with a high near 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Partly cloudy, with a low around 15. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
A chance of snow between 7pm and 5am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
New Year's Day
Sunny, with a high near 21.
Thursday Night
Mostly clear, with a low around 10.
Friday
Mostly sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 13.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 24.
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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:
1:06 am EST Dec 29, 2025
Forecast Valid:
1am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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