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

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 29.88 in (1011.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 6:51 am EDT
Extended Forecast for

South Windham ME

  • Today

    Today: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 59. South wind around 5 mph becoming calm.

    Low: 59 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. North wind around 5 mph becoming southwest in the afternoon.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 55. Calm wind becoming north around 5 mph.

    Low: 55 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 83. North wind around 5 mph.

    High: 83 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 59. South wind around 5 mph becoming calm.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. North wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 55. Calm wind becoming north around 5 mph.
Friday
Sunny, with a high near 83. North wind around 5 mph.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 52.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 78.
Sunday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Windham ME
 43.73°N 70.43°W (Elev. 131 ft)
Last Update:
6:12 am EDT Aug 19, 2026
Forecast Valid:
7am EDT Aug 19, 2026-6pm EDT Aug 25, 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