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.

A Few Clouds

62°F

17°C

Humidity 50%
Wind Speed E 8 mph
Barometer 30.41 in (1029.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Sep 4:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 45. Calm wind becoming north around 5 mph after midnight.

    Low: 45 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 59. Northeast wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Calm wind becoming north around 5 mph after midnight.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. North wind around 10 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Calm wind becoming north around 5 mph after midnight.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 64. Breezy.

    High: 64 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 45. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 59. Northeast wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 44. Calm wind becoming north around 5 mph after midnight.
Thursday
Sunny, with a high near 61. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 51. Calm wind becoming north around 5 mph after midnight.
Friday
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 64.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 53.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. Breezy.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 62.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 66.
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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:
2:24 pm EDT Sep 22, 2026
Forecast Valid:
5pm EDT Sep 22, 2026-6pm EDT Sep 29, 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