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.

Overcast

35°F

2°C

Humidity 78%
Wind Speed S 6 mph
Barometer 30.20 in (1022.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 25 Nov 6:51 am EST
Extended Forecast for

Yarmouth ME

  • Today

    Today: Mostly cloudy, with a high near 49. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after 10pm. Patchy fog before 3am, then patchy fog after 4am. Low around 39. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain. Patchy fog before noon. Otherwise, cloudy, with a high near 53. South wind around 5 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 47. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Rain, mainly after 10pm. Patchy fog before 3am, then patchy fog after 4am. Low around 39. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of rain. Patchy fog before noon. Otherwise, cloudy, with a high near 53. South wind around 5 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%.
Thanksgiving Day
Mostly sunny, with a high near 47. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 41.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.8°N 70.17°W (Elev. 69 ft)
Last Update:
6:49 am EST Nov 25, 2025
Forecast Valid:
7am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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