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

65°F

18°C

Humidity 93%
Wind Speed NA
Barometer 29.92 in (1013.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 3:51 am EDT
Extended Forecast for

West Harpswell ME

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Northeast wind around 5 mph.

    Low: 62 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 5pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 70. East wind 5 to 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 72. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Northeast wind around 5 mph.
Sunday
A 40 percent chance of showers, mainly after 5pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 70. East wind 5 to 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.
Monday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 72. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Harpswell ME
 43.76°N 70.03°W (Elev. 3 ft)
Last Update:
2:36 am EDT Aug 23, 2026
Forecast Valid:
4am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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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