Weather history and climate summary information is available for the following locations:
- Bismarck
- Fargo
Warmest October Days
The warmest October days in North Dakota are:
| Bismarck, North Dakota | 1997 | 93°F |
| Bismarck, North Dakota | 2005 | 91°F |
| Fargo, North Dakota | 1963 | 91°F |
| Fargo, North Dakota | 1976 | 90°F |
| Fargo, North Dakota | 1993 | 90°F |
Coldest October Days
The coldest October days in North Dakota were:
| Bismarck, North Dakota | 1991 | -8°F |
| Bismarck, North Dakota | 1936 | 6.4°F |
| Fargo, North Dakota | 1951 | 7°F |
| Fargo, North Dakota | 1976 | 8.1°F |
| Bismarck, North Dakota | 2002 | 8.1°F |
Wettest October Days
The wettest single days in October occurred:
| Fargo, North Dakota | 2004 | 2.6 inches |
| Fargo, North Dakota | 1982 | 2.4 inches |
| Fargo, North Dakota | 2005 | 1.9 inches |
| Bismarck, North Dakota | 1998 | 1.7 inches |
| Fargo, North Dakota | 2009 | 1.7 inches |