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.

A Few Clouds

39°F

4°C

Humidity 57%
Wind Speed Calm
Barometer 30.08 in (1018.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Mar 9:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • 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 rain and snow likely. Mostly cloudy, with a high near 39. South wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A 40 percent chance of snow before 5pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 29. Northwest wind around 5 mph.
Sunday
A chance of snow before 9am, then rain and snow likely. Mostly cloudy, with a high near 39. South wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow likely, mainly after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow before 5pm. Mostly cloudy, with a high near 36.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
6:21 am EDT Mar 20, 2026
Forecast Valid:
10am EDT Mar 20, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation