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

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

30°F

-1°C

Humidity 72%
Wind Speed E 17 mph
Barometer 30.48 in (1032.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 5 Mar 6:51 pm EST
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: A chance of snow before 1am, then a chance of snow and freezing rain between 1am and 2am, then snow likely after 2am. Cloudy, with a low around 21. Northeast wind around 10 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    then Wintry
    Mix Likely

  • Friday

    Friday: Snow likely, mainly before 10am. Patchy fog between 1pm and 4pm. Otherwise, cloudy, with a high near 33. Northeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    then Patchy
    Fog

  • Friday Night

    Friday Night: Patchy freezing rain after midnight. Patchy fog before 1am, then patchy fog after 4am. Otherwise, cloudy, with a low around 26. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 26 °F

    Patchy Fog
    then Patchy
    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Areas of drizzle or freezing rain before 9am, then areas of drizzle between 9am and 2pm. Patchy fog. Otherwise, cloudy, with a high near 42. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 42 °F

    Areas
    Drizzle/Freezing
    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 4am. Mostly cloudy, with a low around 37. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of snow before 1am, then a chance of snow and freezing rain between 1am and 2am, then snow likely after 2am. Cloudy, with a low around 21. Northeast wind around 10 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before 10am. Patchy fog between 1pm and 4pm. Otherwise, cloudy, with a high near 33. Northeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Patchy freezing rain after midnight. Patchy fog before 1am, then patchy fog after 4am. Otherwise, cloudy, with a low around 26. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Areas of drizzle or freezing rain before 9am, then areas of drizzle between 9am and 2pm. Patchy fog. Otherwise, cloudy, with a high near 42. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A 50 percent chance of showers before 4am. Mostly cloudy, with a low around 37. Southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
7:27 pm EST Mar 5, 2026
Forecast Valid:
7pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation