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.

Mostly Cloudy

45°F

7°C

Humidity 42%
Wind Speed N 12 G 25 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 Apr 4:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: A slight chance of rain and snow showers. Partly sunny, with a high near 45. Northwest wind around 5 mph. Chance of precipitation is 20%.

    High: 45 °F

    Isolated
    Rain/Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 27. North wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Thursday Night

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

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain and snow showers. Partly sunny, with a high near 45. Northwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 27. North wind around 5 mph.
Tuesday
Sunny, with a high near 43. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 35. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 44. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 51.
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 51.
Sunday Night
Mostly cloudy, with a low around 42.
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:
3:04 pm EDT Apr 20, 2026
Forecast Valid:
5pm EDT Apr 20, 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