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

47°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.5 mb)
Dewpoint 47°F (8°C)
Visibility 3.00 mi
Last update 13 Oct 7:51 pm EDT
Extended Forecast for

Yarmouth Junction ME

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 2am. Areas of fog. Low around 51. Southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain and
    Areas Fog
    then Rain
    Likely and
    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. West wind 5 to 10 mph.

    High: 71 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Northwest wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Showers. High near 58. Chance of precipitation is 100%.

    High: 58 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Windy.

    High: 47 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 2am. Areas of fog. Low around 51. Southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 41. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 58. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 38. Calm wind.
Friday
Showers. High near 58. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 47. Windy.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth Junction ME
 43.8°N 70.17°W (Elev. 69 ft)
Last Update:
2:31 pm EDT Oct 13, 2026
Forecast Valid:
8pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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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