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.

Mostly Cloudy

77°F

25°C

Humidity 60%
Wind Speed S 7 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Jul 2:51 pm EDT
Extended Forecast for

Peaks Island ME

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 62. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 62 °F

    Isolated
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 73. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. South wind 10 to 15 mph.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 62. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
Increasing clouds, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 73. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 64. South wind 10 to 15 mph.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peaks Island ME
 43.66°N 70.21°W (Elev. 0 ft)
Last Update:
2:23 pm EDT Jul 31, 2026
Forecast Valid:
3pm EDT Jul 31, 2026-6pm EDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation