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      Special Weather Statement
      until 4:00 AM CDT
      Elev 246 ft, 37.274 °N 86.155 °W

      Mammoth Cave, KY

      Mammoth Cave Station59°
      Updated: 8:32 PM CDT on October 21, 2026 (GMT -5)
      8 minutes ago
      76°
      36°
      59
      Feels Like 59
      Clear
      N
      0
      Same temperature is expected tomorrow
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Wed 10/21
        Low 42°f
         5% Precip. / 0 in
        Clear skies. Low 42F. Winds light and variable.
        Tomorrow
        Thu 10/22
        High 75°f
         5% Precip. / 0 in
        Sunny skies. Warm. High near 75F. Winds light and variable.
        Tomorrow night
        Thu 10/22
        Low 42°f
         2% Precip. / 0 in
        Clear skies. Low 42F. Winds light and variable.
        Hourly Forecast
        Now
        51°
        9PM
        50°
        10PM
        49°
        11PM
        48°
        12AM
        48°
        1AM
        47°
        2AM
        45°
        3AM
        44°
        4AM
        44°
        5AM
        43°
        6AM
        43°
        6:59AM
        Sunrise
        7AM
        43°
        8AM
        47°
        9AM
        55°
        10AM
        62°
        11AM
        67°
        12PM
        70°
        1PM
        72°
        2PM
        73°
        3PM
        73°
        4PM
        72°
        5PM
        70°
        5:58PM
        Sunset
        6PM
        66°
        7PM
        61°
        8PM
        57°
        Precipitation
        5%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        46
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.19 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point44°F
        5. Humidity 76%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGLW Station History
        Almanac for October 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 72°F 89°F 1953
        4. Low 36°F 47°F 21°F 1952
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.9 in -
        7. Snow 0 in 0 in -
        Almanac for October 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 72°F 87°F
        4. Low 42°F 47°F 20°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:58 AM 5:59 PM
        3. Civil Twilight 6:31 AM 6:26 PM
        4. Nautical Twilight 6:01 AM 6:56PM
        5. Astronomical Twilight 5:31 AM 7:26 PM
        1. Length of Visible Light 11h 54m
        2. Length of Day 11h 1m
        3. Tomorrow will be 2 minutes 14 seconds shorter
        1. Moon 3:36 PM 2:03 AM
        2. Waxing Gibbous79% of the Moon is Illuminated
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
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