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.

Fair

38°F

3°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.29 in (1025.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 30 Mar 12:51 am EDT
Extended Forecast for

Long Island ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Southwest wind around 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 54 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. West wind 5 to 15 mph becoming northwest after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 45. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Patchy fog after 11pm. Otherwise, cloudy, with a low around 38. East wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely before 11am, then showers likely, mainly between 11am and 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Southwest wind around 15 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 41. West wind 5 to 15 mph becoming northwest after midnight.
Tuesday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 45. East wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Patchy fog after 11pm. Otherwise, cloudy, with a low around 38. East wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Rain likely before 11am, then showers likely, mainly between 11am and 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 39.
Thursday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 33. Chance of precipitation is 60%.
Friday
Rain and snow likely, becoming all rain after 11am. Cloudy, with a high near 38. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 34.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Island ME
 43.69°N 70.17°W (Elev. 0 ft)
Last Update:
7:51 pm EDT Mar 29, 2026
Forecast Valid:
1am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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