Cheyenne, WY
Wyoming · Records since 1872–2026
🌤️ 85°F
Currently in Cheyenne
As of 6:00 PM MDT
Records for July 28
🔥 Record High
96°F
July 28, 2021
+12° from 84° normal❄ Record Low
43°F
July 28, 1971
-14° from 57° normal
🌞 Normal high: 84°F 🌑 Normal low: 57°F 1991–2020 normals
All-Time Records — Cheyenne
100°F
Hottest Day Ever
Jun 23, 1954
-38°F
Coldest Day Ever
Jan 9, 1875
6.06"
Wettest Day Ever
Aug 1, 1985
22.7"
Most Snow in One Day
Mar 14, 2021
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 96°F | July 28, 2021 |
| 2 | 93°F | July 28, 2006 |
| 3 | 93°F | July 28, 1995 |
| 4 | 93°F | July 28, 1959 |
| 5 | 93°F | July 28, 1947 |
| 6 | 92°F | July 28, 1987 |
| 7 | 92°F | July 28, 1933 |
| 8 | 92°F | July 28, 1876 |
| 9 | 91°F | July 28, 2025 |
| 10 | 91°F | July 28, 1969 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 43°F | July 28, 1971 |
| 2 | 44°F | July 28, 1877 |
| 3 | 45°F | July 28, 1892 |
| 4 | 46°F | July 28, 1913 |
| 5 | 46°F | July 28, 1894 |
Heat Wave Summary — Cheyenne
threshold: 89°F (90th percentile of historical Jun–Aug highs)4.1
Avg heat wave length
days (historical)
94°
Avg peak temp
during heat waves
0
Dangerous nights 2026
Overnights ≥ 70°F
4
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
145 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1873–202611
2026 so far
10
Avg/year 1970–2025
21
Avg/year (last 10 complete)
33
Most in a year (2020)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Cheyenne
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 1, 1874 – Jul 13, 1874 | 13 | 98°F (Jul 4) | 92°F | 54°F |
| 2 | Jul 12, 2022 – Jul 22, 2022 | 11 | 99°F (Jul 18) | 94°F | 62°F |
| 3 | Jul 11, 1934 – Jul 21, 1934 | 11 | 97°F (Jul 15) | 93°F | 61°F |
| 4 | Jul 3, 1966 – Jul 13, 1966 | 11 | 95°F (Jul 7) | 92°F | 60°F |
| 5 | Jul 12, 2003 – Jul 21, 2003 | 10 | 98°F (Jul 16) | 93°F | 62°F |
| 6 | Jul 1, 1989 – Jul 10, 1989 | 10 | 97°F (Jul 7) | 94°F | 56°F |
| 7 | Jul 21, 1987 – Jul 30, 1987 | 10 | 92°F (Jul 23) | 91°F | 60°F |
| 8 | Jul 8, 1939 – Jul 16, 1939 | 9 | 100°F (Jul 11) | 94°F | 57°F |
| 9 | Jul 29, 2024 – Aug 6, 2024 | 9 | 94°F (Jul 30) | 93°F | 58°F |
| 10 | Jul 12, 2002 – Jul 20, 2002 | 9 | 93°F (Jul 16) | 92°F | 59°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
35
2026 so far
above-normal nights
37.9
Avg / summer
1970–2020
66
Most in a summer
2022
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
5.68"
2026 YTD
Normal: 10.00"
-4.32"
1.41"
July so far
July normal: 2.11"
-0.70"
1.82"
Summer so far
Summer normal: 5.79"
-3.97"
1
2026 heavy rain days
Days with ≥ 1.0"
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")