Grundy County, TN
: September 2026 so far averaged 75.1°F in Grundy 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.
- Tuesday 29 September 2026: a high of 78.7°F averaged over Grundy County, TN, the warmest 29 September in the county average since 2025, tied 17th warmest of 76 (with 2021 and 2008) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 45.1°F averaged over Grundy County, TN, the coldest 29 September night in the county average since 2022, tied 19th coldest of 76 (with 2000) (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Grundy County, TN for 6 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 75.4°F in Grundy County, TN, the warmest August in the county average since 2016, 20th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 78.7 | 45.1 |
| 2025 | 80.7 | 57.1 |
| 2024 | 63.1 | 59.7 |
| 2023 | 73.9 | 55.7 |
| 2022 | 65.5 | 40.5 |
| 2021 | 78.7 | 53.7 |
| 2020 | 74 | 50.9 |
| 2019 | 86.8 | 64 |
| 2018 | 74.2 | 56.8 |
| 2017 | 79.7 | 54.2 |
| 2016 | 77.5 | 45.2 |
| 2015 | 72.1 | 63.7 |
| 2014 | 75.9 | 59.2 |
| 2013 | 74.1 | 52.2 |
| 2012 | 78.6 | 57.1 |
| 2011 | 75.4 | 50.8 |
| 2010 | 66.5 | 44 |
| 2009 | 70.7 | 45.2 |
| 2008 | 78.7 | 51.4 |
| 2007 | 78.1 | 49.1 |
| 2006 | 67.4 | 40.3 |
| 2005 | 78.4 | 56.8 |
| 2004 | 72.6 | 52.5 |
| 2003 | 63.1 | 37.5 |
| 2002 | 78 | 55.6 |
| 2001 | 69.1 | 43.8 |
| 2000 | 71.8 | 45.1 |
| 1999 | 83.1 | 63.2 |
| 1998 | 82.4 | 62.9 |
| 1997 | 74.7 | 50.7 |
| 1996 | 63.6 | 41.9 |
| 1995 | 75.4 | 48.6 |
| 1994 | 75.6 | 44.9 |
| 1993 | 69.4 | 39.2 |
| 1992 | 72.5 | 48.7 |
| 1991 | 75.8 | 43.8 |
| 1990 | 79.5 | 55.4 |
| 1989 | 63.5 | 52 |
| 1988 | 75.7 | 56.7 |
| 1987 | 77.8 | 56 |
| 1986 | 86.8 | 63.9 |
| 1985 | 69 | 43.4 |
| 1984 | 59.8 | 47.9 |
| 1983 | 78 | 46.4 |
| 1982 | 73.5 | 47.3 |
| 1981 | 75.6 | 41.3 |
| 1980 | 60.8 | 52.6 |
| 1979 | 71.1 | 57.6 |
| 1978 | 76 | 51.1 |
| 1977 | 71.1 | 50.1 |
| 1976 | 69.4 | 58.6 |
| 1975 | 71.5 | 41.7 |
| 1974 | 77.6 | 57.1 |
| 1973 | 79.9 | 64.9 |
| 1972 | 74.8 | 61.9 |
| 1971 | 84.3 | 58.7 |
| 1970 | 67.9 | 36.8 |
| 1969 | 73.2 | 42 |
| 1968 | 79 | 48.1 |
| 1967 | 51.7 | 34.8 |
| 1966 | 70.8 | 49.7 |
| 1965 | 73.8 | 51 |
| 1964 | 72.4 | 65.2 |
| 1963 | 64.7 | 53.2 |
| 1962 | 64.6 | 34.3 |
| 1961 | 80.9 | 47.9 |
| 1960 | 65.6 | 57.6 |
| 1959 | 84.6 | 58.7 |
| 1958 | 70.8 | 42.9 |
| 1957 | 59.7 | 50.4 |
| 1956 | 77 | 47.5 |
| 1955 | 79.3 | 59.6 |
| 1954 | 84.1 | 62.1 |
| 1953 | 87.1 | 49.3 |
| 1952 | 81.1 | 50.1 |
| 1951 | 69.9 | 38.5 |
Nearby
Chattanooga, TN 38.0 mi, the nearest city with its own station