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.

48°F

9°C

Humidity 95%
Wind Speed Calm
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 18 Jun 3:20 am EDT
Extended Forecast for

10 Miles E Allagash State Wilderness Waterway ME

  • Today

    Today: Showers, with thunderstorms also possible after 2pm. High near 66. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 47. Southeast wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 68. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 46. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 59. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 66. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

Today
Showers, with thunderstorms also possible after 2pm. High near 66. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 47. Southeast wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Juneteenth
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 68. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 46. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers. Mostly cloudy, with a high near 59. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 66. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49. Chance of precipitation is 20%.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Allagash State Wilderness Waterway ME
 46.47°N 69.12°W (Elev. 1198 ft)
Last Update:
4:02 am EDT Jun 18, 2026
Forecast Valid:
4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation