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

Clayton Lake (K40B)

Lat: 46.62°NLon: 69.53°WElev: 1030ft.

70°F

21°C

Humidity 39%
Wind Speed Vrbl 7 G 20 mph
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 16 Jun 3:20 pm EDT
Extended Forecast for

13 Miles WSW Allagash State Wilderness Waterway ME

  • Tonight

    Tonight: Mostly clear, with a low around 47. West wind 5 to 7 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Isolated showers, then scattered showers and thunderstorms after 2pm. Increasing clouds, with a high near 75. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 75 °F

    Sunny then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 48. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Showers, mainly after 11am. High near 67. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before 3am. Patchy fog before 10pm, then patchy fog after 1am. Low around 48. Southeast wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Juneteenth

    Juneteenth: Showers likely, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 67. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 47. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 47. West wind 5 to 7 mph.
Wednesday
Isolated showers, then scattered showers and thunderstorms after 2pm. Increasing clouds, with a high near 75. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 48. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.
Thursday
Showers, mainly after 11am. High near 67. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers, mainly before 3am. Patchy fog before 10pm, then patchy fog after 1am. Low around 48. Southeast wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Juneteenth
Showers likely, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 67. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 47. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Sunday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
Tuesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Allagash State Wilderness Waterway ME
 46.4°N 69.57°W (Elev. 1657 ft)
Last Update:
2:29 pm EDT Jun 16, 2026
Forecast Valid:
4pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation