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

32°F

0°C

Humidity 88%
Wind Speed W 7 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 11:51 am EST
Extended Forecast for

Portland International Jetport 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

  • This Afternoon

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly before 5am. The snow could be heavy at times. Low around 24. Calm wind becoming north around 5 mph in the evening. 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 15. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. West wind around 15 mph, with gusts as high as 30 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 3pm. Cloudy, with a high near 34. Southwest wind around 5 mph becoming northeast.
Tonight
Snow, mainly before 5am. The snow could be heavy at times. Low around 24. Calm wind becoming north around 5 mph in the evening. 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 15. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 24. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
6:20 am EST Jan 18, 2026
Forecast Valid:
12pm EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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