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

54°F

12°C

Humidity 55%
Wind Speed NE 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 17 Oct 6:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly clear, with a low around 41. North wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. North wind around 5 mph becoming southeast in the afternoon.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers before 11am, then rain likely after 11am. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely before midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers. Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 41. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 59. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 61. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers before 11am, then rain likely after 11am. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Monday Night
Rain likely before midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 60.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Wednesday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 54.
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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:
1:22 pm EDT Oct 17, 2025
Forecast Valid:
6pm EDT Oct 17, 2025-6pm EDT Oct 24, 2025
 
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