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

68°F

20°C

Humidity 78%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 10 Aug 12:51 am EDT
Extended Forecast for

South Windham ME

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 86. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 86 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Cloudy during the early evening, then gradual clearing, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 88. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Monday
Increasing clouds, with a high near 86. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Cloudy during the early evening, then gradual clearing, with a low around 63. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Windham ME
 43.73°N 70.43°W (Elev. 131 ft)
Last Update:
6:26 pm EDT Aug 9, 2026
Forecast Valid:
1am EDT Aug 10, 2026-6pm EDT Aug 16, 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