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.

Light Rain Fog/Mist

51°F

11°C

Humidity 96%
Wind Speed SE 6 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 50°F (10°C)
Visibility 3.00 mi
Wind Chill49°F (9°C)
Last update 13 Oct 6:51 pm EDT
Extended Forecast for

West Harpswell ME

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 2am. Patchy fog. Low around 51. Southeast wind 10 to 15 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 67. West wind around 5 mph.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Showers. High near 57. Chance of precipitation is 100%.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before midnight. Low around 40. Breezy. Chance of precipitation is 80%.

    Low: 40 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Windy.

    High: 47 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 2am. Patchy fog. Low around 51. Southeast wind 10 to 15 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 67. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 45. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 45. Calm wind.
Friday
Showers. High near 57. Chance of precipitation is 100%.
Friday Night
Showers, mainly before midnight. Low around 40. Breezy. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 47. Windy.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Harpswell ME
 43.78°N 69.99°W (Elev. 92 ft)
Last Update:
2:31 pm EDT Oct 13, 2026
Forecast Valid:
7pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation