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

25°F

-4°C

Humidity 81%
Wind Speed NW 3 mph
Barometer 30.33 in (1027.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 21 Apr 3:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Increasing clouds, with a high near 43. Light and variable wind becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 36. South wind 5 to 10 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 8am. Mostly cloudy, with a high near 43. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 39. South wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 9am. Partly sunny, with a high near 52. West wind 5 to 10 mph becoming northwest in the afternoon.

    High: 52 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

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

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 43. Light and variable wind becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Increasing clouds, with a low around 36. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers, mainly after 8am. Mostly cloudy, with a high near 43. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 39. South wind around 5 mph.
Thursday
A 30 percent chance of showers before 9am. Partly sunny, with a high near 52. West wind 5 to 10 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 36.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 52.
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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:
2:39 am EDT Apr 21, 2026
Forecast Valid:
4am EDT Apr 21, 2026-6pm EDT Apr 27, 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