Cheyenne weather in October: Cheyenne, Wyoming: normal highs, lows, rain and records for October
Cheyenne in October has a normal high of 59°F and a normal low of 34°F, a daily mean of 47°F, falling from 66°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 7 days in a normal October, 1.00 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 1°C, 25 mm of precipitation and 15 cm of snow in October.
- NOAA stationCheyenne Weather Office Airport
- Station IDUSW00024018
- Location41.15°N 104.81°W
- Elevation6,128 ft (1,868 m)
- Population65,704
- Jan 40° 18°
- Feb 41° 18°
- Mar 49° 25°
- Apr 55° 31°
- May 64° 40°
- Jun 77° 49°
- Jul 84° 56°
- Aug 82° 54°
- Sep 73° 46°
- Oct 59° 34°
- Nov 48° 25°
- Dec 39° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cheyenne in October?
The normal high is 59°F and the normal low 34°F, for a daily mean of 46.5°F. October is 13.1°F cooler than September and 10.4°F warmer than November. October is the 6th warmest month of the year in Cheyenne and the 7th wettest. Across the month the normal high falls 13°F, from 66°F on October 1 to 53°F on October 31. From one year to the next October's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 43°F and 50°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 66°F | 40°F | 23% | 11% |
| October 8 | 62°F | 37°F | 22% | 10% |
| October 15 | 59°F | 34°F | 22% | 10% |
| October 22 | 57°F | 32°F | 23% | 9% |
| October 31 | 53°F | 29°F | 23% | 8% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 66°F | 40°F | 23% | 11% | 11 h 50 min |
| October 2 | 65°F | 39°F | 23% | 11% | 11 h 50 min |
| October 3 | 65°F | 39°F | 23% | 11% | 11 h 40 min |
| October 4 | 64°F | 38°F | 23% | 11% | 11 h 40 min |
| October 5 | 64°F | 38°F | 23% | 11% | 11 h 40 min |
| October 6 | 63°F | 38°F | 23% | 11% | 11 h 40 min |
| October 7 | 63°F | 37°F | 23% | 10% | 11 h 30 min |
| October 8 | 62°F | 37°F | 22% | 10% | 11 h 30 min |
| October 9 | 62°F | 36°F | 22% | 10% | 11 h 30 min |
| October 10 | 61°F | 36°F | 22% | 10% | 11 h 20 min |
| October 11 | 61°F | 36°F | 22% | 10% | 11 h 20 min |
| October 12 | 61°F | 35°F | 22% | 10% | 11 h 20 min |
| October 13 | 60°F | 35°F | 22% | 10% | 11 h 20 min |
| October 14 | 60°F | 34°F | 22% | 10% | 11 h 10 min |
| October 15 | 59°F | 34°F | 22% | 10% | 11 h 10 min |
| October 16 | 59°F | 34°F | 22% | 9% | 11 h 10 min |
| October 17 | 58°F | 33°F | 22% | 9% | 11 h 10 min |
| October 18 | 58°F | 33°F | 22% | 9% | 11 h |
| October 19 | 58°F | 33°F | 22% | 9% | 11 h |
| October 20 | 57°F | 32°F | 23% | 9% | 11 h |
| October 21 | 57°F | 32°F | 23% | 9% | 11 h |
| October 22 | 57°F | 32°F | 23% | 9% | 10 h 50 min |
| October 23 | 56°F | 31°F | 23% | 9% | 10 h 50 min |
| October 24 | 56°F | 31°F | 23% | 9% | 10 h 50 min |
| October 25 | 56°F | 31°F | 23% | 9% | 10 h 40 min |
| October 26 | 55°F | 31°F | 23% | 9% | 10 h 40 min |
| October 27 | 55°F | 30°F | 23% | 8% | 10 h 40 min |
| October 28 | 54°F | 30°F | 23% | 8% | 10 h 40 min |
| October 29 | 54°F | 30°F | 23% | 8% | 10 h 30 min |
| October 30 | 54°F | 29°F | 23% | 8% | 10 h 30 min |
| October 31 | 53°F | 29°F | 23% | 8% | 10 h 30 min |
- Normal high
- 59°FOctober average
- Normal low
- 34°FOctober average
- Precipitation
- 1.00 inmonth total
- Days with precipitation
- 70.01 inch or more
- Snowfall
- 5.9 inmonth total
- Nights at 32°F or colder
- 13
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 8
- Days at 80°F or more
- 1
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024018; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Cheyenne in October?
On a given October day the chance of 0.01 inch or more is 23% on average, highest around October 27 (23%). In all, 1.00 in falls on 7 days of a normal October.
In a normal October in Cheyenne, 13 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 5.9 inches.
Snow falls on 3 days in a normal October, and an inch or more covers the ground on 2 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024018.
How humid and windy is Cheyenne in October?
At 3 p.m. the normal temperature is 49°F with 35% relative humidity and a dew point of 22°F; at 6 a.m. it is 34°F with 59% humidity. The wind averages 12.4 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 34°F | 21°F | 59% | 11.0 mph | 71% |
| 9 a.m. | 42°F | 23°F | 46% | 13.1 mph | 70% |
| noon | 49°F | 22°F | 35% | 15.9 mph | 68% |
| 3 p.m. | 49°F | 22°F | 35% | 15.5 mph | 68% |
| 6 p.m. | 41°F | 24°F | 50% | 10.5 mph | 70% |
| 9 p.m. | 37°F | 23°F | 58% | 10.5 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024018. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in Cheyenne?
The warmest October temperature on Cheyenne's official record (since 1872) is 85°F, on October 9, 1910; the coldest is −5°F, on October 26, 1878. The wettest October brought 3.57 in (1942); the snowiest, 28.2 inches (2009).
The October mean against the 1991-2020 normal of 46.5°F: 2021 49.2°F (+2.7), 2022 49.1°F (+2.6), 2023 47.7°F (+1.2), 2024 53.2°F (+6.7), 2025 49.0°F (+2.5). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.2°F | +2.7°F | 0.79 in |
| 2022 | 49.1°F | +2.6°F | 0.11 in |
| 2023 | 47.7°F | +1.2°F | 0.95 in |
| 2024 | 53.2°F | +6.7°F | 0.12 in |
| 2025 | 49.0°F | +2.5°F | 0.39 in |
Source: records: ACIS, NWS threaded record CYSthr; recent months: ACIS, station USW00024018. Records and recent months use complete months only.
How does October in Cheyenne compare across Wyoming?
Across the 71 places PlainClimate covers in Wyoming, October normal highs run from 50°F in Sundance to 67°F in Yoder; Cheyenne's is 59°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.