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

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

70°F

21°C

Humidity 64%
Wind Speed S 7 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 1:53 pm EDT
Extended Forecast for

Montsweag ME

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 76. South wind 5 to 10 mph.

    High: 76 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely before 9pm, then rain between 9pm and 2am, then rain and possibly a thunderstorm after 2am. Low around 54. Light and variable wind becoming southeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: Rain before noon, then showers likely, mainly between noon and 5pm. High near 75. South wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Rain

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and 1am. Otherwise, partly cloudy, with a low around 57. Calm wind becoming northwest around 5 mph.

    Low: 57 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 78. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 76. South wind 5 to 10 mph.
Tonight
Showers likely before 9pm, then rain between 9pm and 2am, then rain and possibly a thunderstorm after 2am. Low around 54. Light and variable wind becoming southeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Rain before noon, then showers likely, mainly between noon and 5pm. High near 75. South wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Patchy fog between 9pm and 1am. Otherwise, partly cloudy, with a low around 57. Calm wind becoming northwest around 5 mph.
Wednesday
Sunny, with a high near 78. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montsweag ME
 43.96°N 69.73°W (Elev. 69 ft)
Last Update:
5:30 am EDT Jun 22, 2026
Forecast Valid:
2pm EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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