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      Elev 246 ft, 37.274 °N 86.155 °W

      Mammoth Cave, KY

      Mammoth Cave Station79°
      Updated: 9:14 AM CDT on September 6, 2026 (GMT -5)
      2 minutes ago
      89°
      67°
      79
      Feels Like 83
      Partly Cloudy
      N
      3
      Lower temperature is expected today
      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
        Today
        Mon 09/07
        High 89°f
         5% Precip. / 0 in
        Sun and clouds mixed. High 89F. Winds NNE at 5 to 10 mph.
        Tonight
        Mon 09/07
        Low 61°f
         5% Precip. / 0 in
        Clear skies. Low 61F. Winds light and variable.
        Tomorrow
        Tue 09/08
        High 88°f67°f
         5% Precip. / 0 in
        Plentiful sunshine. High 88F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        77°
        10AM
        79°
        11AM
        81°
        12PM
        83°
        1PM
        85°
        2PM
        87°
        3PM
        88°
        4PM
        87°
        5PM
        87°
        6PM
        85°
        7PM
        81°
        7:05PM
        Sunset
        8PM
        78°
        9PM
        76°
        10PM
        73°
        11PM
        71°
        12AM
        70°
        1AM
        68°
        2AM
        67°
        3AM
        66°
        4AM
        64°
        5AM
        63°
        6AM
        62°
        6:20AM
        Sunrise
        7AM
        64°
        8AM
        68°
        9AM
        72°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        Very High
        Air Quality
        39
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point72°F
        5. Humidity 84%
        6. Rainfall 0.74 in
        7. Snow Depth 0 in
         KGLW Station History
        Almanac for September 6, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 88°F 105°F 1954
        4. Low 67°F 63°F 44°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.5 in -
        7. Snow 0 in 0 in -
        Almanac for September 7, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 88°F 99°F
        4. Low 67°F 63°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:19 AM 7:05 PM
        3. Civil Twilight 5:52 AM 7:32 PM
        4. Nautical Twilight 5:21 AM 8:03PM
        5. Astronomical Twilight 4:49 AM 8:35 PM
        1. Length of Visible Light 13h 39m
        2. Length of Day 12h 46m
        3. Tomorrow will be 2 minutes 19 seconds shorter
        1. Moon 12:53 AM 4:27 PM
        2. Waning Crescent28% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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