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.

72°F

22°C

Humidity 38%
Wind Speed Vrbl 6 G 14 mph
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 1 Sep 2:20 pm EDT
Extended Forecast for

11 Miles SW Allagash State Wilderness Waterway ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 50. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, mainly after 7am. Patchy fog before 10am. High near 62. Southeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain before 2am, then a chance of showers, mainly between 2am and 4am. Low around 55. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. Calm wind.
Tonight
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Mostly sunny, with a high near 73. Calm wind becoming southeast 5 to 7 mph in the morning.
Wednesday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 50. South wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Rain, mainly after 7am. Patchy fog before 10am. High near 62. Southeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 2am, then a chance of showers, mainly between 2am and 4am. Low around 55. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 43.
Labor Day
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SW Allagash State Wilderness Waterway ME
 46.32°N 69.44°W (Elev. 1099 ft)
Last Update:
2:43 pm EDT Sep 1, 2026
Forecast Valid:
2pm EDT Sep 1, 2026-6pm EDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation