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Marion County, TN

: September 2026 so far averaged 76.6°F in Marion 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
79.9°F
Warmest since 2025
22nd warmest of 76
Low
46.9°F
Coldest since 2022
18th coldest of 76

No measurable precipitation in the county average of Marion County, TN for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Marion County, TN since 1951: 46.9°F in 2026; the lowest is 36.5°F, in 1962.
2022: 43.9°F1962: 36.5°F2026: 46.9°F 2026 46.9°F 1962 36.5°F since 2022 1951 2026
  • Normal range, 44.6 to 64.9°F
Every year as a table

Every 29 September high of the county average in Marion County, TN since 1951: 79.9°F in 2026; the highest is 88.8°F, in 2019.

YearHigh, °FLow, °F
202679.946.9
202582.759.7
202464.861.4
202377.757.6
202267.943.9
202180.256
202076.653.5
201988.866.5
201875.959.7
201782.756.6
201679.648.2
201573.265.3
201476.461.1
201375.454
201280.759.2
201177.753
201068.547.4
200973.447
200880.454
200780.352.3
20067143.9
200579.960.7
200475.254.6
200365.640.2
20028058.1
200171.846.5
200073.847.9
199984.366.2
199883.864.9
199775.453.2
199665.344.7
199577.650.6
199477.646.6
199372.541.4
199275.152.1
199177.345.2
199080.857
198963.553.9
198877.557.9
198779.857.8
198688.565.8
198570.944.2
198463.151.7
198379.548.3
198275.849.6
198177.844
198061.954.2
197972.861.3
197878.854
19777452.3
197672.562.7
197572.644.1
197478.460.7
19738167
197276.663.8
197185.961.8
197069.739.4
196975.345.6
196881.251.6
196754.237.7
196673.553.1
196574.354.9
196475.167.4
196367.156.2
19626736.5
196183.250.3
19606659.7
195986.261
195872.845
195761.152.1
195678.149.6
195582.162.3
195485.963.7
195387.951.3
19528251.4
195171.841.8

The month

August 2026 averaged 77.6°F in Marion County, TN, the warmest August in the county average since 2016, tied 17th warmest of 132 (with 2005 and 1936) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 79.9°F averaged over Marion County, TN, the warmest 29 September in the county average since 2025, tied 22nd warmest of 76 (with 2005) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.9°F averaged over Marion County, TN, the coldest 29 September night in the county average since 2022, 18th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Chattanooga, TN 24.6 mi, the nearest city with its own station