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.

Mostly Cloudy

57°F

14°C

Humidity 67%
Wind Speed S 12 G 17 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 7:51 pm EDT
Extended Forecast for

Yarmouth ME

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. West wind around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. West wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 9pm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 46. West wind around 5 mph.
Friday
Sunny, with a high near 63. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 42. West wind around 5 mph.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 46.
Sunday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 69.
Sunday Night
Showers likely, mainly after 9pm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Columbus Day
A 40 percent chance of showers before 10am. Mostly cloudy, with a high near 67.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 60.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 55. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
8:15 pm EDT Oct 7, 2026
Forecast Valid:
8pm EDT Oct 7, 2026-6pm EDT Oct 14, 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