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

52°F

11°C

Humidity 86%
Wind Speed Calm
Barometer 29.85 in (1010.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 27 Jul 1:51 am EDT
Extended Forecast for

South Windham ME

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Patchy Fog

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 3am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Calm wind.
Monday
Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Rain likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
Rain and possibly a thunderstorm before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Low around 56. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers before 3am. Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Windham ME
 43.75°N 70.43°W (Elev. 210 ft)
Last Update:
10:51 pm EDT Jul 26, 2026
Forecast Valid:
2am EDT Jul 27, 2026-6pm EDT Aug 2, 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