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.

Partly Cloudy

69°F

21°C

Humidity 73%
Wind Speed S 9 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 7:51 pm EDT
Extended Forecast for

North Yarmouth ME

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 81. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 55. West wind around 5 mph becoming north after midnight.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 81. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 55. West wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 74.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Yarmouth ME
 43.83°N 70.22°W (Elev. 98 ft)
Last Update:
2:22 pm EDT Aug 26, 2026
Forecast Valid:
8pm EDT Aug 26, 2026-6pm EDT Sep 2, 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