National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 65°F (18°C)
Visibility 3.00 mi
Last update 18 Jun 11:51 am EDT
Extended Forecast for

South Harpswell ME

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly before 2pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 62. South wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Patchy Fog

  • Juneteenth

    Juneteenth: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Areas of fog. Otherwise, mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 68 °F

    Areas Fog
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63. Southwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

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

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly before 2pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 62. South wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 59. South wind 5 to 10 mph.
Juneteenth
A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Areas of fog. Otherwise, mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63. Southwest wind around 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Harpswell ME
 43.74°N 70°W (Elev. 0 ft)
Last Update:
11:26 am EDT Jun 18, 2025
Forecast Valid:
12pm EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation