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.

Partly Cloudy

52°F

11°C

Humidity 45%
Wind Speed W 14 G 26 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 1 Nov 3:51 pm EDT
Extended Forecast for

Trefethen ME

  • Tonight

    Tonight: Mostly clear, with a low around 38. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 49. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 46. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Breezy.

    High: 53 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 49. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 55. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 46. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday
Sunny, with a high near 53. Breezy.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 42.
Thursday
A 40 percent chance of rain before 2pm. Partly sunny, with a high near 48. Breezy.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 48.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trefethen ME
 43.68°N 70.2°W (Elev. 16 ft)
Last Update:
1:27 pm EDT Nov 1, 2025
Forecast Valid:
4pm EDT Nov 1, 2025-6pm EST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation