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

38°F

3°C

Humidity 73%
Wind Speed S 6 mph
Barometer 30.26 in (1024.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 21 Apr 11:51 pm EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Scattered showers, mainly after 1pm. Mostly cloudy, with a high near 44. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 39. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 52. West wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Northwest wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. South wind around 5 mph.
Wednesday
Scattered showers, mainly after 1pm. Mostly cloudy, with a high near 44. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 39. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 52. West wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 36. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 51.
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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:
8:19 pm EDT Apr 21, 2026
Forecast Valid:
12am EDT Apr 22, 2026-6pm EDT Apr 28, 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