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The weather in Cheyenne in October is very cold with temperatures between 4°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Cheyenne during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Cheyenne during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Cheyenne.
Our weather forecast can give you a great sense of what weather to expect in Cheyenne in October 2025.
If you’re planning to visit Cheyenne in the near future, we highly recommend that you review the 14 day weather forecast for Cheyenne before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -5° | 3 | 16 | 12 | 27 mm | Awful | Cheyenne in January |
| February | 2° / -6° | 4 | 10 | 15 | 42 mm | Awful | Cheyenne in February |
| March | 8° / -1° | 5 | 15 | 12 | 77 mm | Bad | Cheyenne in March |
| April | 12° / 1° | 5 | 15 | 10 | 101 mm | Bad | Cheyenne in April |
| May | 17° / 6° | 10 | 16 | 5 | 149 mm | Bad | Cheyenne in May |
| June | 25° / 12° | 6 | 24 | 0 | 77 mm | Perfect | Cheyenne in June |
| July | 28° / 16° | 4 | 27 | 0 | 83 mm | Perfect | Cheyenne in July |
| August | 28° / 15° | 3 | 28 | 0 | 52 mm | Perfect | Cheyenne in August |
| September | 24° / 12° | 2 | 28 | 0 | 46 mm | Perfect | Cheyenne in September |
| October | 14° / 4° | 3 | 23 | 5 | 49 mm | Ok | Cheyenne in October |
| November | 8° / -1° | 2 | 19 | 9 | 31 mm | Bad | Cheyenne in November |
| December | 2° / -6° | 5 | 15 | 11 | 33 mm | Awful | Cheyenne in December |