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.

Light Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 57°F (14°C)
Visibility 1.50 mi
Last update 28 Jun 12:51 pm EDT
Extended Forecast for

Yarmouth ME

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 3pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 63. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Patchy fog. Otherwise, cloudy, with a low around 59. East wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 78. West wind around 5 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 3pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 63. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Patchy fog. Otherwise, cloudy, with a low around 59. East wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 78. West wind around 5 mph.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 61.
Independence Day
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
10:57 am EDT Jun 28, 2025
Forecast Valid:
1pm EDT Jun 28, 2025-6pm EDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation