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.

71°F

22°C

Humidity 61%
Wind Speed S 8 mph
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 24 Aug 11:20 am EDT
Extended Forecast for

7 Miles SSW Allagash State Wilderness Waterway ME

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 75. South wind around 6 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

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 11am. Mostly sunny, with a high near 75. Light west wind. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 75. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers after 11am. Mostly sunny, with a high near 75. Light west wind. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 54. Calm wind.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Allagash State Wilderness Waterway ME
 46.35°N 69.37°W (Elev. 919 ft)
Last Update:
7:27 am EDT Aug 24, 2026
Forecast Valid:
12pm EDT Aug 24, 2026-6pm EDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation