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.

Partly Cloudy

57°F

14°C

Humidity 74%
Wind Speed E 8 mph
Barometer 30.37 in (1028.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 4 Oct 10:51 am EDT
Extended Forecast for

Yarmouth Junction ME

  • Today

    Today: Increasing clouds, with a high near 60. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between noon and 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 66. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. West wind around 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 60. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers between noon and 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 66. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 38. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 57. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 38.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth Junction ME
 43.81°N 70.2°W (Elev. 52 ft)
Last Update:
6:45 am EDT Oct 4, 2026
Forecast Valid:
10am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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