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      Frost Advisory
      until 8:00 AM CDT
      Elev 246 ft, 37.274 °N 86.155 °W

      Mammoth Cave, KY

      Mammoth Cave Station55°
      Sun, Oct 18, 2026
      Tonight
      Sun 10/18
      Low 37°f
      6% Precip. / 0 in
      Clear skies. Low 37F. Winds light and variable.
      Tomorrow
      Mon 10/19
      High 71°f
      6% Precip. / 0 in
      Sunny skies. High 71F. Winds light and variable.
      Sunrise 6:55 AM
      Sunset 6:03 PM
      Moonrise 2:10 PM
      Moonset 11:59 PM
      First Quarter, 51% visible
      Hourly Forecast
      Now
      52°
      8PM
      49°
      9PM
      47°
      10PM
      45°
      11PM
      45°
      12AM
      44°
      1AM
      43°
      2AM
      42°
      3AM
      40°
      4AM
      40°
      5AM
      39°
      6AM
      38°
      6:56AM
      Sunrise
      7AM
      38°
      8AM
      44°
      9AM
      52°
      10AM
      58°
      11AM
      63°
      12PM
      65°
      1PM
      68°
      2PM
      69°
      3PM
      70°
      4PM
      69°
      5PM
      67°
      6PM
      62°
      6:02PM
      Sunset
      7PM
      58°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      8:00 pm
      Clear
      		 49°F 49°F 1% 0in 0% 40°F 71% 0 mph S 30.4in
      9:00 pm
      Clear
      		 47°F 47°F 1% 0in 0% 40°F 77% 0 mph S 30.4in
      10:00 pm
      Clear
      		 45°F 45°F 1% 0in 0% 41°F 84% 0 mph S 30.41in
      11:00 pm
      Clear
      		 45°F 45°F 1% 0in 0% 40°F 82% 0 mph S 30.4in
      Additional Conditions
      1. Pressure 30.4 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point39°F
      5. Humidity 61%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KGLW Station History
      Almanac for October 18, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 67°F 73°F 86°F 2016
      4. Low 33°F 48°F 21°F 1948
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.7 in -
      7. Snow 0 in 0 in -
      Almanac for October 19, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 71°F 73°F 90°F
      4. Low 37°F 48°F 23°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:55 AM 6:03 PM
      3. Civil Twilight 6:29 AM 6:29 PM
      4. Nautical Twilight 5:58 AM 7:00PM
      5. Astronomical Twilight 5:28 AM 7:30 PM
      1. Length of Visible Light 12h 0m
      2. Length of Day 11h 8m
      3. Tomorrow will be 2 minutes 16 seconds shorter
      1. Moon 2:10 PM 11:59 PM
      2. First Quarter51% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
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