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.

A Few Clouds

37°F

3°C

Humidity 76%
Wind Speed Calm
Barometer 30.18 in (1022.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 8 Jan 4:51 pm EST
Extended Forecast for

Trefethen ME

  • Tonight

    Tonight: Patchy freezing fog after 2am. Partly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy
    then Patchy
    Freezing Fog

  • Friday

    Friday: A 30 percent chance of rain, mainly after 5pm. Patchy freezing fog before 10am. Mostly cloudy, with a high near 44. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Patchy
    Freezing Fog
    then Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain, mainly before 1am. Low around 39. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Breezy. Rain
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 42. West wind 5 to 10 mph becoming north in the afternoon.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain and snow, becoming all rain after 2am. Low around 34. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Sunday

    Sunday: Rain likely before 8am, then a chance of rain and snow between 8am and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of snow between 11pm and 1am. Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 34. Breezy.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy freezing fog after 2am. Partly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of rain, mainly after 5pm. Patchy freezing fog before 10am. Mostly cloudy, with a high near 44. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly before 1am. Low around 39. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 42. West wind 5 to 10 mph becoming north in the afternoon.
Saturday Night
Rain and snow, becoming all rain after 2am. Low around 34. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain likely before 8am, then a chance of rain and snow between 8am and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 38. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 11pm, then a chance of snow between 11pm and 1am. Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
A 30 percent chance of rain. Cloudy, with a low around 29.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trefethen ME
 43.68°N 70.2°W (Elev. 16 ft)
Last Update:
12:57 pm EST Jan 8, 2026
Forecast Valid:
5pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation