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

34°F

1°C

Humidity 59%
Wind Speed SW 8 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Jan 6:51 pm EST
Extended Forecast for

Yarmouth ME

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 40. Southwest wind around 10 mph.

    High: 40 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Cloudy, with a low around 31. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, with a high near 43. Southwest wind 5 to 10 mph.

    High: 43 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after 7pm. Cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after 7pm. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before 8am. Mostly sunny, with a high near 27.

    High: 27 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 40. Southwest wind around 10 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 31. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, with a high near 43. Southwest wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of rain after 7pm. Cloudy, with a low around 31. Calm wind.
Thursday
A chance of rain and snow before 1pm, then a chance of rain between 1pm and 2pm. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of snow after 7pm. Mostly cloudy, with a low around 14.
Friday
A 30 percent chance of snow before 8am. Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
7:20 pm EST Jan 12, 2026
Forecast Valid:
7pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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