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.

Overcast

34°F

1°C

Humidity 67%
Wind Speed S 13 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 19 Mar 4:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Partly cloudy, with a low around 27. South wind 5 to 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, possibly mixed with snow, mainly after 5pm. Increasing clouds, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Mostly Sunny
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain, mainly before 5am. Low around 31. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Northwest wind 5 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Northwest wind around 5 mph.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 9am, then a chance of rain and snow between 9am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then rain and snow likely between 11pm and 5am, then snow likely after 5am. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 2pm, then a chance of snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. South wind 5 to 10 mph.
Friday
Rain likely, possibly mixed with snow, mainly after 5pm. Increasing clouds, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Rain, mainly before 5am. Low around 31. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 46. Northwest wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 29. Northwest wind around 5 mph.
Sunday
A chance of snow before 9am, then a chance of rain and snow between 9am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Sunday Night
Rain likely before 11pm, then rain and snow likely between 11pm and 5am, then snow likely after 5am. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
A chance of rain and snow before 2pm, then a chance of snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 43.
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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:
5:18 pm EDT Mar 19, 2026
Forecast Valid:
5pm EDT Mar 19, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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