Johnson County, TN
: September 2026 so far averaged 67.8°F in Johnson County, TN, the warmest 1 to 29 September in the county average since 2019, 3rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 69.2°F
- Coldest since 2022
- 33rd coldest of 76
- Low
- 44.6°F
- Coldest since 2022
- 31st coldest of 76
No measurable precipitation in the county average of Johnson County, TN for 4 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 38.1 to 57.7°F
Every year as a table
Every 29 September high of the county average in Johnson County, TN since 1951: 69.2°F in 2026; the highest is 83.1°F, in 2019.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 69.2 | 44.6 |
| 2025 | 76.1 | 53.4 |
| 2024 | 71.5 | 59.4 |
| 2023 | 72.9 | 50.4 |
| 2022 | 60 | 34 |
| 2021 | 75 | 50 |
| 2020 | 74.3 | 54.4 |
| 2019 | 83.1 | 59.6 |
| 2018 | 73.8 | 57.5 |
| 2017 | 79 | 52.8 |
| 2016 | 75.9 | 48.7 |
| 2015 | 72 | 61.1 |
| 2014 | 73.3 | 48.8 |
| 2013 | 67.2 | 47.1 |
| 2012 | 70.9 | 54.1 |
| 2011 | 72.7 | 48.6 |
| 2010 | 65.8 | 48.1 |
| 2009 | 70.3 | 45.4 |
| 2008 | 70 | 49.6 |
| 2007 | 72.4 | 38.6 |
| 2006 | 66.5 | 41.8 |
| 2005 | 74.7 | 51.5 |
| 2004 | 66.9 | 52.3 |
| 2003 | 61.2 | 38.2 |
| 2002 | 74.8 | 53 |
| 2001 | 59.1 | 35.8 |
| 2000 | 66.9 | 38.5 |
| 1999 | 74 | 61.6 |
| 1998 | 81.7 | 57.4 |
| 1997 | 63 | 50.9 |
| 1996 | 65.6 | 40.9 |
| 1995 | 71.3 | 43.7 |
| 1994 | 67.3 | 42.5 |
| 1993 | 64.3 | 36.7 |
| 1992 | 67.2 | 43.4 |
| 1991 | 68.6 | 36 |
| 1990 | 72.9 | 46.6 |
| 1989 | 65.9 | 39.6 |
| 1988 | 73.3 | 46.5 |
| 1987 | 72 | 49.6 |
| 1986 | 81.4 | 59.1 |
| 1985 | 68.2 | 37.8 |
| 1984 | 59.4 | 44.8 |
| 1983 | 72.1 | 41.9 |
| 1982 | 70.2 | 42.9 |
| 1981 | 71.1 | 37.7 |
| 1980 | 58.2 | 44.4 |
| 1979 | 69.8 | 57.1 |
| 1978 | 72 | 46.3 |
| 1977 | 64.6 | 40 |
| 1976 | 69 | 55.4 |
| 1975 | 66.8 | 40.2 |
| 1974 | 75.2 | 55 |
| 1973 | 79.9 | 56.9 |
| 1972 | 71.9 | 58.7 |
| 1971 | 78 | 55.2 |
| 1970 | 62.6 | 34.9 |
| 1969 | 69.6 | 36.4 |
| 1968 | 73.7 | 44 |
| 1967 | 61.7 | 37.6 |
| 1966 | 68 | 56.1 |
| 1965 | 67.7 | 44.9 |
| 1964 | 71.8 | 59.3 |
| 1963 | 62 | 48 |
| 1962 | 57.1 | 35.5 |
| 1961 | 74 | 44.3 |
| 1960 | 64.5 | 51.8 |
| 1959 | 80.4 | 55.6 |
| 1958 | 64.6 | 36.3 |
| 1957 | 51.1 | 40.2 |
| 1956 | 63.3 | 47.3 |
| 1955 | 71.7 | 49.9 |
| 1954 | 82 | 50.4 |
| 1953 | 82.8 | 42.6 |
| 1952 | 75.1 | 50.1 |
| 1951 | 66.1 | 36.6 |
The month
August 2026 averaged 70.8°F in Johnson County, TN, the warmest August in the county average since 2021, tied 13th warmest of 132 (with 1959 and 1899) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 69.2°F averaged over Johnson County, TN, the coldest 29 September day in the county average since 2022, 33rd coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 44.6°F averaged over Johnson County, TN, the coldest 29 September night in the county average since 2022, 31st coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Bristol-Johnson City, TN 29.9 mi, the nearest city with its own station