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      Elev 840 ft, 35.818 °N 84.039 °W

      Louisville, TN

      McGhee Tyson Airport Station70°
      Updated: 5:37 AM EDT on September 23, 2026 (GMT -4)
      5 minutes ago
      75°
      66°
      70
      Feels Like 70
      Cloudy
      N
      1
      Lower temperature is expected today
      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
        Today
        Wed 09/23
        High 75°f
         50% Precip. / 0.87 in
        Scattered thunderstorms. Gusty winds and small hail are possible. High around 75F. Winds light and variable. Chance of rain 50%.
        Tonight
        Wed 09/23
        Low 64°f
         53% Precip. / 0.27 in
        Mostly cloudy with showers and a few thunderstorms. Gusty winds and small hail are possible. Low 64F. Winds light and variable. Chance of rain 50%.
        Tomorrow
        Thu 09/24
        High 74°f58°f
         36% Precip. / 0.09 in
        Cloudy with occasional showers. High 74F. Winds NNE at 5 to 10 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        69°
        6AM
        69°
        7AM
        69°
        7:25AM
        Sunrise
        8AM
        69°
        9AM
        69°
        10AM
        70°
        11AM
        31%
        71°
        12PM
        42%
        72°
        1PM
        32%
        74°
        2PM
        34%
        75°
        3PM
        50%
        75°
        4PM
        49%
        74°
        5PM
        49%
        73°
        6PM
        50%
        72°
        7PM
        46%
        71°
        7:31PM
        Sunset
        8PM
        39%
        69°
        9PM
        40%
        68°
        10PM
        36%
        68°
        11PM
        41%
        68°
        12AM
        39%
        67°
        1AM
        35%
        67°
        2AM
        40%
        67°
        3AM
        53%
        67°
        4AM
        41%
        66°
        5AM
        40%
        66°
        Precipitation
        53%
        Thunderstorms possible after 11 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        47
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point68°F
        5. Humidity 97%
        6. Rainfall 0.09 in
        7. Snow Depth 0 in
         KTYS Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 80°F 96°F 1931
        4. Low 66°F 59°F 40°F 1999
        5. Rain/Snow Depth
        6. Precipitation 1.15 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 80°F 93°F
        4. Low 66°F 58°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:25 AM 7:31 PM
        3. Civil Twilight 6:59 AM 7:56 PM
        4. Nautical Twilight 6:29 AM 8:26PM
        5. Astronomical Twilight 5:59 AM 8:56 PM
        1. Length of Visible Light 12h 57m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 15 seconds shorter
        1. Moon 6:00 PM 4:10 AM
        2. Waxing Gibbous91% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
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