National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

A Few Clouds

29°F

-2°C

Humidity 78%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Mar 5:53 am EDT
Extended Forecast for

Heron Island ME

  • Today

    Today: Isolated showers before 7am. Increasing clouds, with a high near 43. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 43 °F

    Isolated
    Showers then
    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain before 1am, then a chance of rain and snow between 1am and 3am, then snow likely after 3am. Cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Cloudy then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow, mainly before 1pm. High near 31. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Saturday Night

    Saturday Night: A chance of snow before 10pm, then a chance of snow after 5am. Cloudy, with a low around 30. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow and sleet before 7am, then sleet likely between 7am and noon, then rain and sleet likely after noon. Cloudy, with a high near 35. Northeast wind around 10 mph. Chance of precipitation is 70%. Little or no snow and sleet accumulation expected.

    High: 35 °F

    Wintry Mix
    Likely

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely before 2am, then scattered showers after 2am. Cloudy, with a low around 36. Breezy. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely
    and Breezy

  • Tuesday

    Tuesday: Scattered showers before 8am. Mostly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Isolated showers before 7am. Increasing clouds, with a high near 43. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain before 1am, then a chance of rain and snow between 1am and 3am, then snow likely after 3am. Cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow, mainly before 1pm. High near 31. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A chance of snow before 10pm, then a chance of snow after 5am. Cloudy, with a low around 30. Northeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
A chance of snow and sleet before 7am, then sleet likely between 7am and noon, then rain and sleet likely after noon. Cloudy, with a high near 35. Northeast wind around 10 mph. Chance of precipitation is 70%. Little or no snow and sleet accumulation expected.
Sunday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.
Monday Night
Rain likely before 2am, then scattered showers after 2am. Cloudy, with a low around 36. Breezy. Chance of precipitation is 70%.
Tuesday
Scattered showers before 8am. Mostly sunny, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Thursday
Rain and snow showers. High near 43. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Heron Island ME
 43.83°N 69.55°W (Elev. 0 ft)
Last Update:
3:28 am EDT Mar 28, 2025
Forecast Valid:
6am EDT Mar 28, 2025-6pm EDT Apr 3, 2025
 
Forecast Discussion
 
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Additional Resources

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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