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.

Fair

32°F

0°C

Humidity 85%
Wind Speed W 5 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 24 Mar 10:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 36. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 52. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 38. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 7am. Partly sunny, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 36. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 52. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Rain. Low around 38. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 7am. Partly sunny, with a high near 43. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 47.
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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:
7:16 pm EDT Mar 24, 2026
Forecast Valid:
11pm EDT Mar 24, 2026-6pm EDT Mar 31, 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