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

62°F

17°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 17 Sep 9:51 pm EDT
Extended Forecast for

Falmouth ME

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am. Areas of fog. Low around 59. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers and
    Areas Fog
    then Showers
    Likely and
    Areas Fog

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North wind 5 to 10 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65. North wind around 5 mph becoming calm.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. South wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A chance of rain before 8pm, then a chance of showers between 8pm and 3am. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am. Areas of fog. Low around 59. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 45. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 65. North wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 46. South wind around 5 mph becoming calm in the evening.
Sunday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 8pm, then a chance of showers between 8pm and 3am. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Falmouth ME
 43.73°N 70.25°W (Elev. 102 ft)
Last Update:
6:37 pm EDT Sep 17, 2026
Forecast Valid:
10pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation