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.

60°F

16°C

Humidity 88%
Wind Speed Calm
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 23 Aug 6:20 am EDT
Extended Forecast for

17 Miles NNE Allagash State Wilderness Waterway ME

  • Today

    Today: Scattered showers, mainly after 5pm. Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 68. Southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Scattered
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Scattered showers before 2am, then a slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Areas of fog. Otherwise, cloudy, with a low around 58. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Scattered
    Showers and
    Areas Fog

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: 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. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 69. Calm wind becoming southwest around 5 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: 69 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. West wind around 7 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, mainly after 5pm. Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 68. Southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Scattered showers before 2am, then a slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Areas of fog. Otherwise, cloudy, with a low around 58. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.
Tuesday
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. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 69. Calm wind becoming southwest around 5 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 chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 71. West wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A chance of showers, mainly after 3am. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
Showers likely. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Allagash State Wilderness Waterway ME
 46.67°N 69.18°W (Elev. 1070 ft)
Last Update:
5:25 am EDT Aug 23, 2026
Forecast Valid:
7am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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