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

41°F

5°C

Humidity 51%
Wind Speed N 9 mph
Barometer 30.32 in (1026.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Apr 9:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Clear, with a low around 34. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 49. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 49 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after midnight. Low around 40. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, mainly before 9am. High near 59. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 59 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. West wind 5 to 10 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 34. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 49. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Showers, mainly after midnight. Low around 40. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly before 9am. High near 59. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 52. West wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 63.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers before 9am, then a chance of showers after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 56.
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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:
7:43 pm EDT Apr 11, 2026
Forecast Valid:
10pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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