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

46°F

8°C

Humidity 86%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 16 Oct 5:51 am EDT
Extended Forecast for

Yarmouth ME

  • Today

    Today: Showers. High near 66. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 8pm. Low around 37. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Clear, with a low around 30. Northwest wind 5 to 10 mph.

    Low: 30 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Southwest wind around 5 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. High near 66. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers, mainly before 8pm. Low around 37. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 30. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 55. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.79°N 70.2°W (Elev. 161 ft)
Last Update:
2:49 am EDT Oct 16, 2026
Forecast Valid:
6am EDT Oct 16, 2026-6pm EDT Oct 22, 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