Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fair

50°F

10°C

Humidity 43%
Wind Speed SW 3 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 10 Mar 12:51 am EDT
Extended Forecast for

Cousins Island ME

  • Overnight

    Overnight: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. South wind around 5 mph.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Patchy fog.  Otherwise, cloudy, with a high near 39. East wind around 10 mph.

    High: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 2am.  Patchy fog.  Otherwise, cloudy, with a low around 36. East wind 5 to 10 mph becoming south after midnight.  Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A 50 percent chance of rain.  Patchy fog before noon.  Otherwise, cloudy, with a high near 51.

    High: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm.  Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely after 7pm, mixing with rain after 11pm.  Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 51. South wind around 5 mph.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight.
Wednesday
A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a high near 39. East wind around 10 mph.
Wednesday Night
Rain likely, mainly before 2am. Patchy fog. Otherwise, cloudy, with a low around 36. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Patchy fog before noon. Otherwise, cloudy, with a high near 51.
Thursday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 39.
Friday Night
Snow likely after 7pm, mixing with rain after 11pm. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Saturday
A chance of rain and snow before noon. Partly sunny, with a high near 42. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 32. Breezy. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cousins Island ME
 43.76°N 70.15°W (Elev. 3 ft)
9:25 pm EDT Mar 9, 2026
1am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database