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

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Jul 12:51 am EDT
Extended Forecast for

West Harpswell ME

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 72. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 72 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Patchy Fog

  • Thursday

    Thursday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. South wind around 10 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Patchy fog. Otherwise, partly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 63. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 72. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Thursday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. South wind around 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of thunderstorms before 8pm. Patchy fog. Otherwise, partly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Harpswell ME
 43.76°N 70°W (Elev. 0 ft)
Last Update:
7:24 pm EDT Jul 15, 2025
Forecast Valid:
1am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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