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

62°F

17°C

Humidity 96%
Wind Speed S 6 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 22 Jun 7:51 pm EDT
Extended Forecast for

Yarmouth ME

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 11pm. Low around 54. Light southeast wind becoming east 5 to 10 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 9am. Mostly cloudy, with a high near 75. East wind around 5 mph becoming north in the morning. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and 11pm. Otherwise, partly cloudy, with a low around 57. Calm wind becoming northwest around 5 mph.

    Low: 57 °F

    Patchy Fog
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 11pm. Low around 54. Light southeast wind becoming east 5 to 10 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely, mainly before 9am. Mostly cloudy, with a high near 75. East wind around 5 mph becoming north in the morning. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Patchy fog between 9pm and 11pm. Otherwise, partly cloudy, with a low around 57. Calm wind becoming northwest around 5 mph.
Wednesday
Mostly sunny, with a high near 77. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 81.
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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:
7:29 pm EDT Jun 22, 2026
Forecast Valid:
7pm EDT Jun 22, 2026-6pm EDT Jun 29, 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