National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

A Few Clouds

62°F

17°C

Humidity 48%
Wind Speed S 10 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 Sep 3:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly clear, with a low around 46. South wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 3pm. Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 46. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 64. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 50. South wind around 5 mph.
Monday
Sunny, with a high near 66. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers after 3pm. Partly sunny, with a high near 73.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers before 10am. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 67.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 68.
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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:
1:34 pm EDT Sep 20, 2025
Forecast Valid:
3pm EDT Sep 20, 2025-6pm EDT Sep 27, 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