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

69°F

21°C

Humidity 68%
Wind Speed S 8 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Sep 4:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. South wind 5 to 10 mph becoming light and variable in the evening.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 1am, then a chance of showers. Low around 60. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Friday

    Friday: Sunny, with a high near 71. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. North wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. South wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly cloudy, with a high near 66. East wind around 5 mph.
Thursday Night
Showers and thunderstorms before 1am, then a chance of showers. Low around 60. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 71. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 50. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
2:23 pm EDT Sep 16, 2026
Forecast Valid:
5pm EDT Sep 16, 2026-6pm EDT Sep 23, 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