Weather history and climate summary information is available for the following locations:
- Chattanooga
- Knoxville
- Memphis
- Nashville
Warmest October Days
The warmest October days in Tennessee are:
| Memphis, Tennessee | 1986 | 93°F |
| Memphis, Tennessee | 2007 | 93°F |
| Nashville, Tennessee | 1951 | 92.3°F |
| Memphis, Tennessee | 1981 | 91.9°F |
| Memphis, Tennessee | 1975 | 91.9°F |
Coldest October Days
The coldest October days in Tennessee were:
| Knoxville, Tennessee | 1987 | 25°F |
| Knoxville, Tennessee | 1962 | 25°F |
| Knoxville, Tennessee | 1988 | 25.7°F |
| Chattanooga, Tennessee | 1976 | 25.9°F |
| Nashville, Tennessee | 1987 | 26.1°F |
Wettest October Days
The wettest single days in October occurred:
| Nashville, Tennessee | 1978 | 5.1 inches |
| Memphis, Tennessee | 2002 | 4.7 inches |
| Chattanooga, Tennessee | 1995 | 4.2 inches |
| Chattanooga, Tennessee | 1986 | 4 inches |
| Nashville, Tennessee | 1975 | 3.7 inches |