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

72°F

22°C

Humidity 68%
Wind Speed E 10 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Jul 12:51 pm EDT
Extended Forecast for

2 Miles NNW Cousins Island ME

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a high near 73. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 1am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Partly Sunny
    then 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 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 73. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 1am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. 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 65. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Cousins Island ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
6:31 am EDT Jul 7, 2026
Forecast Valid:
1pm EDT Jul 7, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation