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Rhea County, TN

: September 2026 so far averaged 76.1°F in Rhea 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
77.7°F
Warmest since 2025
32nd warmest of 76
Low
46.7°F
Coldest since 2022
20th coldest of 76

No measurable precipitation in the county average of Rhea 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 Rhea County, TN since 1951: 46.7°F in 2026; the lowest is 37.3°F, in 1962.
2022: 42.3°F1962: 37.3°F2026: 46.7°F 2026 46.7°F 1962 37.3°F since 2022 1951 2026
  • Normal range, 44 to 64.1°F
Every year as a table

Every 29 September high of the county average in Rhea County, TN since 1951: 77.7°F in 2026; the highest is 90.5°F, in 2019.

YearHigh, °FLow, °F
202677.746.7
202582.259.1
202466.162.3
202376.755.7
202267.242.3
20218155.5
20207954.8
201990.566.4
201875.459.3
201783.658.7
201681.248.5
201577.666
20147761.2
201377.455.1
201280.760.2
20117853.6
201071.149.5
200973.946.3
200880.955.9
200780.449.3
20067043.9
200579.760
200474.155.5
200366.239.8
200279.257.6
200170.945.5
200074.346.1
199984.264.6
199886.164
199776.352.2
199664.945
199576.550.3
199475.946.2
199372.440.6
199274.952.7
199176.644
199079.855.6
198967.752.5
198878.556.2
198780.655.3
198687.965.4
198572.143
198461.651
198379.448.6
198276.550
198177.343.3
198062.155.6
197974.761.3
197878.953.6
197772.951.7
197671.859.2
197573.446.2
197479.762.6
197381.166.2
197278.564.5
197186.161.9
197070.140.4
196974.645.1
196880.750.5
19675440
196673.454.7
196576.851.9
196474.867
19636656.7
196266.937.3
196181.949.9
196067.959.4
195986.460.5
195872.244.9
195763.253.3
19567647
195579.662.7
195487.264
195389.351.2
19528351.5
19517141.8

The month

August 2026 averaged 77.6°F in Rhea County, TN, the warmest August in the county average since 2016, tied 15th warmest of 132 (with 2002) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 77.7°F averaged over Rhea County, TN, the warmest 29 September in the county average since 2025, 32nd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.7°F averaged over Rhea County, TN, the coldest 29 September night in the county average since 2022, 20th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Chattanooga, TN 41.6 mi, the nearest city with its own station