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.

62°F

17°C

Humidity 70%
Wind Speed Vrbl 3 mph
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 23 Aug 12:20 am EDT
Extended Forecast for

14 Miles NNE Allagash State Wilderness Waterway ME

  • Overnight

    Overnight: A slight chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly after 9am. Areas of fog before 11am. Otherwise, cloudy, with a high near 67. East wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Scattered showers, mainly after 2am. Areas of fog. Otherwise, cloudy, with a low around 59. Light east wind. Chance of precipitation is 30%.

    Low: 59 °F

    Scattered
    Showers and
    Areas Fog

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 73. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: 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. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 49. Light west wind. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly after 9am. Areas of fog before 11am. Otherwise, cloudy, with a high near 67. East wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Scattered showers, mainly after 2am. Areas of fog. Otherwise, cloudy, with a low around 59. Light east wind. Chance of precipitation is 30%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 73. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
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. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 49. Light west wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNE Allagash State Wilderness Waterway ME
 46.62°N 69.17°W (Elev. 1079 ft)
Last Update:
7:22 pm EDT Aug 22, 2026
Forecast Valid:
1am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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