Using over 550,000 weather observations from over 300 US weather stations to help you understand what the chance of rain...shine...snow is on any given day
The single hottest days in October occurred:
| Palm Springs, California | 1980 | 114.1°F |
| San Nicolas Island, California | 2012 | 111.9°F |
| Long Beach, California | 1961 | 109.9°F |
| Palm Springs, California | 2012 | 109.9°F |
| Palm Springs, California | 1996 | 109.4°F |
The single coldest days in October occurred:
| Delta Junction, Alaska | 1975 | -38°F |
| Bettles, Alaska | 1992 | -35°F |
| Northway, Alaska | 1996 | -34.6°F |
| Northway, Alaska | 1975 | -32.8°F |
| Barrow, Alaska | 1970 | -32.1°F |
The wettest single days in October occurred:
| Key West, Florida | 1974 | 18.1 inches |
| San Antonio, Texas | 1998 | 16.3 inches |
| San Antonio, Texas | 1998 | 13.4 inches |
| Sumter, South Carolina | 1990 | 12.2 inches |
| San Antonio, Texas | 1998 | 10.6 inches |