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

76°F

24°C

Humidity 62%
Wind Speed SW 6 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Jul 8:53 am EDT
Extended Forecast for

Alna MESimilar City Names

  • Today

    Today: Mostly sunny, with a high near 83. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. South wind 5 to 10 mph becoming light southwest in the evening. Chance of precipitation is 20%.

    Low: 64 °F

    Isolated
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91. Heat index values as high as 97. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers, mainly before 7am. Sunny and hot, with a high near 90. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Isolated showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. South wind 5 to 10 mph becoming light southwest in the evening. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 91. Heat index values as high as 97. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Scattered showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%.
Wednesday
Scattered showers, mainly before 7am. Sunny and hot, with a high near 90. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alna MESimilar City Names
 44.1°N 69.61°W (Elev. 49 ft)
Last Update:
9:24 am EDT Jul 13, 2026
Forecast Valid:
9am EDT Jul 13, 2026-6pm EDT Jul 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation