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

31°F

-1°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 2:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Clear, with a low around 32. West wind around 5 mph.

    Low: 32 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 47. West wind 5 to 10 mph.

    High: 47 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 11am and 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between 11am and 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 32. West wind around 5 mph.
Monday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 47. West wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 31. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 43. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. South wind around 5 mph.
Wednesday
A chance of showers between 11am and 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A chance of showers between 11am and 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
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:
2:25 am EDT Apr 20, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 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