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      Elev 940 ft, 35.513 °N 84.819 °W

      Decatur, TN

      Updated: 4:47 AM EDT on August 17, 2026 (GMT -4)
      4 minutes ago
      96°
      71°
      75
      Feels Like 77
      Clear
      N
      0
      Same temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Tue 08/18
      High 96°f
      57% Precip. / 0.1 in
      Sunshine this morning. Scattered thunderstorms developing this afternoon. Potential for severe thunderstorms. High 96F. Winds SW at 5 to 10 mph. Chance of rain 60%.
      Tonight
      Tue 08/18
      Low 71°f
      40% Precip. / 0.05 in
      Scattered thunderstorms early, then partly cloudy after midnight. Potential for severe thunderstorms. Low 71F. Winds light and variable. Chance of rain 40%.
      Tomorrow
      Wed 08/19
      High 88°f65°f
      20% Precip. / 0 in
      Sunshine and clouds mixed. High 88F. Winds light and variable.
      Hourly Forecast
      Now
      72°
      5AM
      72°
      6AM
      72°
      7AM
      72°
      7:00AM
      Sunrise
      8AM
      75°
      9AM
      79°
      10AM
      84°
      11AM
      87°
      12PM
      91°
      1PM
      93°
      2PM
      95°
      3PM
      34%
      95°
      4PM
      47%
      94°
      5PM
      58%
      91°
      6PM
      36%
      89°
      7PM
      86°
      8PM
      40%
      84°
      8:25PM
      Sunset
      9PM
      38%
      81°
      10PM
      35%
      79°
      11PM
      77°
      12AM
      76°
      1AM
      75°
      2AM
      75°
      3AM
      74°
      4AM
      74°
      Additional Conditions
      1. Pressure 29.98 in
      2. Visibility 8 miles
      3. Clouds Clear
      4. Dew Point72°F
      5. Humidity 100%
      6. Rainfall 0 in
      7. Snow Depth 0 in
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      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:00 AM 8:25 PM
      3. Civil Twilight 6:33 AM 8:52 PM
      4. Nautical Twilight 6:01 AM 9:24PM
      5. Astronomical Twilight 5:27 AM 9:58 PM
      1. Length of Visible Light 14h 19m
      2. Length of Day 13h 25m
      3. Tomorrow will be 2 minutes shorter
      1. Moon 12:12 PM 10:58 PM
      2. Waxing crescent25% of the Moon is Illuminated
      -
      Waxing Half First Qtr
      Aug 26
      Full Moon
      Sep 3
      Waning Half Last Qtr
      -
      -
      KMMI Station History
      Almanac for August 17, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 96°F 88°F 100°F 2007
      4. Low 71°F 66°F 52°F 1979
      5. Rain/Snow Depth
      6. Precipitation 0.14 in 4.1 in -
      7. Snow 0 in 0 in -
      Almanac for August 18, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 88°F 88°F 100°F
      4. Low 71°F 66°F 57°F
      Precipitation
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