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.

Overcast

75°F

24°C

Humidity 79%
Wind Speed Calm
Barometer 29.99 in (1015.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 28 Aug 10:51 am EDT
Extended Forecast for

West Harpswell ME

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 2pm. Otherwise, partly sunny, with a high near 70. South wind around 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Areas of fog between 7pm and 8pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Areas Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 70. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after noon. Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 2pm. Otherwise, partly sunny, with a high near 70. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Areas of fog between 7pm and 8pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 70. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers after noon. Partly sunny, with a high near 69.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 72.
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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:
6:45 am EDT Aug 28, 2026
Forecast Valid:
11am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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