Cheyenne, WY 14-Day Forecast
Wyoming, United States 🇺🇸
64°
Sunny right now
Today: high 80°, low 60°
Updated 3 hours ago
Cheyenne weather for the next 14 days
Sunday, August 16
Sunny High 82° Low 56°Precipitation
36%
· 0.02 in
Max wind
16 mph
Humidity
64%
UV index
9 - Very High
Sunrise / sunset
06:09 AM / 07:57 PM
Monday, August 17
Sunny High 85° Low 57°Precipitation
36%
· 0.02 in
Max wind
12 mph
Humidity
48%
UV index
9 - Very High
Sunrise / sunset
06:10 AM / 07:55 PM
Tuesday, August 18
Sunny High 84° Low 63°Precipitation
57%
· 0.07 in
Max wind
23 mph
Humidity
37%
UV index
7 - High
Sunrise / sunset
06:11 AM / 07:54 PM
Wednesday, August 19
Sunny High 69° Low 56°Precipitation
70%
· 0.84 in
Max wind
15 mph
Humidity
65%
UV index
5 - Moderate
Sunrise / sunset
06:12 AM / 07:52 PM
Thursday, August 20
Sunny High 79° Low 54°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
44%
UV index
7 - High
Sunrise / sunset
06:13 AM / 07:51 PM
Friday, August 21
Sunny High 85° Low 59°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
36%
UV index
7 - High
Sunrise / sunset
06:14 AM / 07:49 PM
Saturday, August 22
Sunny High 90° Low 62°Precipitation
1%
· 0.0 in
Max wind
16 mph
Humidity
34%
UV index
8 - Very High
Sunrise / sunset
06:15 AM / 07:48 PM
Sunday, August 23
Sunny High 96° Low 67°Precipitation
17%
· 0.01 in
Max wind
11 mph
Humidity
27%
UV index
9 - Very High
Sunrise / sunset
06:16 AM / 07:46 PM
Monday, August 24
Sunny High 89° Low 64°Precipitation
36%
· 0.01 in
Max wind
21 mph
Humidity
30%
UV index
8 - Very High
Sunrise / sunset
06:17 AM / 07:45 PM
Tuesday, August 25
Sunny High 91° Low 68°Precipitation
2%
· 0.0 in
Max wind
20 mph
Humidity
33%
UV index
8 - Very High
Sunrise / sunset
06:18 AM / 07:43 PM
Wednesday, August 26
Sunny High 86° Low 63°Precipitation
57%
· 0.31 in
Max wind
17 mph
Humidity
44%
UV index
7 - High
Sunrise / sunset
06:19 AM / 07:42 PM
Thursday, August 27
Sunny High 84° Low 62°Precipitation
57%
· 0.1 in
Max wind
14 mph
Humidity
52%
UV index
7 - High
Sunrise / sunset
06:20 AM / 07:40 PM
Friday, August 28
Sunny High 86° Low 61°Precipitation
57%
· 0.05 in
Max wind
21 mph
Humidity
54%
UV index
7 - High
Sunrise / sunset
06:21 AM / 07:39 PM
Cheyenne 14-day outlook: the story
The warmest day of Cheyenne's 14-day outlook is Sunday, August 23 with a high near 96°F (36°C); the coolest night comes Thursday, August 20, dipping to 54°F (12°C). The trend points warmer: week two runs about 8°F above week one. Highs over the next two weeks average 81°F (27°C), right in line with the typical August high of 81°F (27°C).
Precipitation is most likely on Saturday 15, Tuesday 18, Wednesday 19, Wednesday 26 and beyond; the wettest day looks like Wednesday, August 19 with about 0.84 in (21.3 mm) expected. For the weekend, expect Saturday 80°F (26°C) and sunny / Sunday 82°F (28°C) and sunny.
For typical conditions month by month, see the Cheyenne climate & average temperatures guide.
Cheyenne forecast questions
Will it rain in Cheyenne this week?
The forecast currently shows meaningful precipitation chances on 6 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in Cheyenne over the next 14 days?
Sunday, August 23, with a forecast high near 96°F (36°C).
How accurate is a 14-day forecast for Cheyenne?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Cheyenne by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 37° | 20° | 5 | 0.7 in | 7.9 h/day | 57% |
| February | 38° | 19° | 6 | 0.8 in | 8.9 h/day | 53% |
| March | 46° | 25° | 8 | 1.8 in | 9.8 h/day | 55% |
| April | 54° | 31° | 10 | 2.3 in | 10.5 h/day | 52% |
| May | 62° | 40° | 16 | 3.8 in | 10.9 h/day | 61% |
| June | 77° | 53° | 10 | 1.7 in | 12.9 h/day | 48% |
| July | 83° | 59° | 9 | 1.5 in | 12.9 h/day | 46% |
| August | 81° | 58° | 8 | 1.1 in | 12.4 h/day | 45% |
| September | 76° | 51° | 5 | 0.8 in | 11.0 h/day | 42% |
| October | 59° | 37° | 5 | 0.9 in | 9.3 h/day | 48% |
| November | 47° | 28° | 5 | 0.9 in | 8.3 h/day | 50% |
| December | 38° | 22° | 4 | 0.7 in | 7.5 h/day | 52% |
14-day forecasts nearby