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.

46°F

8°C

Humidity NA
Wind Speed Calm
Barometer NA
Dewpoint N/A
Visibility NA
Last update 15 Aug 6:20 am EDT
Extended Forecast for

13 Miles NNE Allagash State Wilderness Waterway ME

  • Today

    Today: Sunny, with a high near 71. Northwest wind 5 to 7 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 73. Light southwest wind.

    High: 73 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 53. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Cloudy then
    Rain Likely
    and Patchy
    Fog

  • Monday

    Monday: Rain, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 65. South wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain and thunderstorms likely, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Rain Likely
    and Patchy
    Fog then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 71. Northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 45. Calm wind.
Sunday
Increasing clouds, with a high near 73. Light southwest wind.
Sunday Night
Rain likely, mainly after 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 53. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 65. South wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain and thunderstorms likely, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 72. Calm wind.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Wednesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
Friday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Allagash State Wilderness Waterway ME
 46.61°N 69.23°W (Elev. 1558 ft)
Last Update:
5:11 am EDT Aug 15, 2026
Forecast Valid:
6am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation