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

63°F

17°C

Humidity 63%
Wind Speed Calm
Barometer 30.26 in (1024.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 8 Sep 10:51 pm EDT
Extended Forecast for

South Windham ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Calm wind becoming northeast around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 73. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 5am. Cloudy, with a low around 64. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 85. West wind around 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. Northwest wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Calm wind becoming northeast around 5 mph.
Wednesday
Cloudy, with a high near 73. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Showers likely, mainly before 5am. Cloudy, with a low around 64. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 85. West wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 54. Northwest wind around 5 mph.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Windham ME
 43.75°N 70.43°W (Elev. 210 ft)
Last Update:
2:27 pm EDT Sep 8, 2026
Forecast Valid:
11pm EDT Sep 8, 2026-6pm EDT Sep 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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