Weather history and climate summary information is available for the following locations:
- Blytheville
- Fort Smith
- Little Rock
- Texarkana
Warmest October Days
The warmest October days in Arkansas are:
| Texarkana, Arkansas | 1977 | 100.9°F |
| Texarkana, Arkansas | 2002 | 97°F |
| Fort Smith, Arkansas | 1963 | 96.1°F |
| Little Rock, Arkansas | 2002 | 95°F |
| Fort Smith, Arkansas | 1956 | 95°F |
Coldest October Days
The coldest October days in Arkansas were:
| Fort Smith, Arkansas | 1952 | 23°F |
| Fort Smith, Arkansas | 1993 | 24.1°F |
| Fort Smith, Arkansas | 1980 | 25.9°F |
| Fort Smith, Arkansas | 1989 | 26.1°F |
| Fort Smith, Arkansas | 1957 | 26.1°F |
Wettest October Days
The wettest single days in October occurred:
| Fort Smith, Arkansas | 2007 | 6.5 inches |
| Little Rock, Arkansas | 2009 | 5.1 inches |
| Blytheville, Arkansas | 1980 | 4.1 inches |
| Texarkana, Arkansas | 2001 | 4.1 inches |
| Blytheville, Arkansas | 1976 | 4 inches |