Cheyenne, WY weather in October
In October, Cheyenne sees highs around 59°F and lows around 34°F: cool, with some rain and some snow. Expect about 7 wet days. Snowfall averages about 5.9 in. Good for outdoor plans.
- Normal high
- 59°F
- Normal low
- 34°F
- Wet days
- 7
- 1.0 in total
- Snowfall
- 5.9 in
- snow on the ground 2 days
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 66°F | 53°F |
| Normal low | 40°F | 29°F |
| Chance of a wet day | 23% | 23% |
| Sunrise / sunset | 6:56 am / 6:41 pm | 7:29 am / 5:56 pm |
| Daylight | 11.8 h | 10.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical October day
- 6 am39°Fdew point 26°F
- 9 am49°Fdew point 28°F
- Noon56°Fdew point 26°F
- 3 pm56°Fdew point 26°F
- 6 pm49°Fdew point 28°F
- 9 pm43°Fdew point 28°F
NOAA hourly normals (local standard time) from Cheyenne (1 mi away); average wind 12 mph; clear or few clouds in 70% of daytime hours, mostly cloudy or overcast in 25%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below13 of 31
- Snow on the groundsnow depth 1 in or more2 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 1.0 in; a dry October brings about 0.5 in and a wet one about 1.3 in (25th and 75th percentiles). Days with half an inch or more are rare. Normal snowfall is 5.9 in, with about 2 days of an inch or more.
How October varies from year to year
- Warmest October, 1991-20202016: average high 68°F
- Coolest October2009: average high 47°F
- Wettest October2009: 2.5 in
- Driest October2003: 0.2 in
- Highest reading84°F (October 1, 2011)
- Lowest reading-1°F (October 31, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 73°F | 59°F | 48°F |
| Normal low | 46°F | 34°F | 25°F |
| Wet days | 7 | 7 | 6 |
| Comfortable days | 15 | 12 | 3 |
| Daylight | 12.5 h | 11.1 h | 9.9 h |
Highs change by -14°F from September and -11°F into November.
Nearby alternatives in October
- Warmer: Fort Collins, CO41 mi · high 64°F · 6 wet days
- Cooler: Breckenridge, CO131 mi · high 50°F · 9 wet days
How Cheyenne ranks in October
- Normal high332nd warmest of 378 cities; 3rd of 4 in Wyoming
- Wet days158th driest of 378
- Comfortable days161st most of 340
What to pack for Cheyenne in October
- A warm jacket – lows near 34°F, highs near 59°F
- Layers – afternoons near 59°F but nights near 34°F
- Waterproof boots – about 5.9 in of snow in a typical year
Frost in October
The first fall frost typically comes around Oct 1; in 1 year in 10 it comes before Sep 18. All frost dates for Cheyenne.
Heating and cooling
October has 574 heating degree days and 1 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Cheyenne in October?
The normal high is 59°F and the normal low is 34°F. From 1991 to 2020 the coldest October reading was -1°F (October 31, 1991).
Does it rain a lot in Cheyenne in October?
About 7 days in October have at least 0.01 in of precipitation, and the normal total is 1.0 in. The wettest October in 1991-2020 was in 2009 (2.5 in); the driest was in 2003 (0.2 in).
Does it snow in Cheyenne in October?
Yes. Normal snowfall in October is 5.9 in, and snow covers the ground on about 2 days.
Is October a good time to visit Cheyenne?
October ranks 5th of 12 months on our comfort score for Cheyenne (61 out of 100). It has about 12 comfortable days. The best months are May and June.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Cheyenne (USW00024018), 1.1 mi NE of the city center, 6,128 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Cheyenne Airport (725640-24018), 1.4 mi NNE of the city center, 6,118 ft . Hourly observations, 1991-2020.