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.

Fair

33°F

1°C

Humidity 66%
Wind Speed W 13 mph
Barometer 29.68 in (1005.3 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 12 Nov 2:51 am EST
Extended Forecast for

Yarmouth ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and noon. Mostly cloudy, with a high near 44. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. West wind around 5 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 45. Northwest wind around 5 mph.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 29. Northwest wind around 5 mph.

    Low: 29 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers between midnight and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Partly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and noon. Mostly cloudy, with a high near 44. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 29. West wind around 5 mph.
Thursday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 45. Northwest wind around 5 mph.
Thursday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 29. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 44.
Saturday Night
A chance of snow showers between midnight and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Sunday
Rain likely, possibly mixed with snow before 7am, then rain. High near 47. Chance of precipitation is 80%.
Sunday Night
Rain and snow showers likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.8°N 70.17°W (Elev. 69 ft)
Last Update:
12:18 am EST Nov 12, 2025
Forecast Valid:
3am EST Nov 12, 2025-6pm EST Nov 18, 2025
 
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