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Lewis County, TN

: September 2026 so far averaged 78.3°F in Lewis County, TN, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
82.5°F
Warmest since 2025
20th warmest of 76
Low
46.9°F
Coldest since 2022
29th coldest of 76

No measurable precipitation in the county average of Lewis County, TN for 6 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Lewis County, TN since 1951: 46.9°F in 2026; the lowest is 32.8°F, in 1967.
2022: 42.3°F1967: 32.8°F2026: 46.9°F 2026 46.9°F 1967 32.8°F since 2022 1951 2026
  • Normal range, 42.4 to 59.1°F
Every year as a table

Every 29 September high of the county average in Lewis County, TN since 1951: 82.5°F in 2026; the highest is 93.7°F, in 1953.

YearHigh, °FLow, °F
202682.546.9
202583.154.9
202467.160.1
20238061
202270.342.3
202184.457.6
202068.948.8
201992.466
201876.455.2
201781.252.1
201681.846.6
201575.564.9
201481.258.1
201377.455.9
20128158.4
201179.651.8
201073.844.3
200973.745.2
200883.249.5
20078249.1
200671.142.4
200583.454
200477.249.3
200368.439.7
200281.555.8
200171.342.1
200076.545.6
199983.658.5
199888.866.3
199778.948.9
199670.943.8
199578.547.8
19948143.5
19937440.3
199273.347.8
199177.943.7
199086.254.5
198964.255.8
198874.660.2
198783.657
19869166
198573.841
19845942.1
198380.246.3
198279.746.2
198178.741.9
198063.456.4
197975.354.3
197879.952.9
197776.652.4
197669.955
197571.943
197482.554.5
197384.667.7
197277.465.5
197188.162
197072.540.4
196976.741.7
196881.945.9
196755.632.8
196670.446.8
196580.352.1
196466.357.8
196367.349.2
196267.937.3
196183.146.6
196072.956.4
195986.663.6
195873.444
195763.853.1
195685.143.4
195586.163
195489.363.3
195393.748
195284.949.7
195170.936.8

The month

August 2026 averaged 77°F in Lewis County, TN, the warmest August in the county average since 2024, tied 42nd warmest of 132 (with 2018, 1960, 1956 and 2 other years) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 82.5°F averaged over Lewis County, TN, the warmest 29 September in the county average since 2025, tied 20th warmest of 76 (with 1974) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.9°F averaged over Lewis County, TN, the coldest 29 September night in the county average since 2022, 29th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Muscle Shoals, AL 54.2 mi, the nearest city with its own station