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.

73°F

23°C

Humidity 45%
Wind Speed Calm
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 6 Jul 7:20 pm EDT
Extended Forecast for

5 Miles SE Allagash State Wilderness Waterway ME

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, sunny, with a high near 81. Light southwest wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. Light southwest wind.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. West wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 54. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 81. Light southwest wind.
Tuesday Night
Partly cloudy, with a low around 55. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 61. Light southwest wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. West wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 70%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Allagash State Wilderness Waterway ME
 46.4°N 69.23°W (Elev. 1332 ft)
Last Update:
4:02 pm EDT Jul 6, 2026
Forecast Valid:
8pm EDT Jul 6, 2026-6pm EDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation