Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

44°F

7°C

Humidity 60%
Wind Speed W 16 G 25 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 20 Apr 10:51 am EDT
Extended Forecast for

South Harpswell ME

  • Today

    Today: Isolated showers after 2pm.  Partly sunny, with a high near 45. West wind around 10 mph.  Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind around 10 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. North wind 5 to 10 mph becoming south in the afternoon.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. South wind around 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 10am and 2pm.  Mostly cloudy, with a high near 43. South wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 8am.  Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers after 2pm. Partly sunny, with a high near 45. West wind around 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 33. North wind around 10 mph.
Tuesday
Sunny, with a high near 42. North wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. South wind around 10 mph.
Wednesday
A chance of showers between 10am and 2pm. Mostly cloudy, with a high near 43. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
South Harpswell ME
 43.74°N 70°W (Elev. 0 ft)
8:32 am EDT Apr 20, 2026
10am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
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