Cheyenne, WY 14-Day Forecast
Wyoming, United States 🇺🇸
76°
Sunny right now
Today: high 83°, low 60°
Updated 1 hour ago
Cheyenne weather for the next 14 days
Thursday, August 27
Sunny High 86° Low 59°Precipitation
17%
· 0.01 in
Max wind
18 mph
Humidity
50%
UV index
8 - Very High
Sunrise / sunset
06:20 AM / 07:40 PM
Friday, August 28
Overcast High 88° Low 64°Precipitation
36%
· 0.02 in
Max wind
27 mph
Humidity
32%
UV index
8 - Very High
Sunrise / sunset
06:21 AM / 07:39 PM
Saturday, August 29
Overcast High 90° Low 65°Precipitation
36%
· 0.02 in
Max wind
26 mph
Humidity
33%
UV index
7 - High
Sunrise / sunset
06:22 AM / 07:37 PM
Sunday, August 30
Overcast High 80° Low 65°Precipitation
17%
· 0.0 in
Max wind
19 mph
Humidity
41%
UV index
6 - High
Sunrise / sunset
06:23 AM / 07:35 PM
Monday, August 31
Overcast High 84° Low 61°Precipitation
11%
· 0.0 in
Max wind
21 mph
Humidity
40%
UV index
6 - High
Sunrise / sunset
06:24 AM / 07:34 PM
Tuesday, September 1
Sunny High 81° Low 56°Precipitation
4%
· 0.0 in
Max wind
16 mph
Humidity
48%
UV index
7 - High
Sunrise / sunset
06:25 AM / 07:32 PM
Wednesday, September 2
Overcast High 82° Low 62°Precipitation
4%
· 0.0 in
Max wind
20 mph
Humidity
25%
UV index
7 - High
Sunrise / sunset
06:26 AM / 07:30 PM
Thursday, September 3
Overcast High 81° Low 62°Precipitation
17%
· 0.0 in
Max wind
16 mph
Humidity
27%
UV index
7 - High
Sunrise / sunset
06:27 AM / 07:29 PM
Friday, September 4
Sunny High 79° Low 54°Precipitation
4%
· 0.0 in
Max wind
22 mph
Humidity
30%
UV index
6 - High
Sunrise / sunset
06:28 AM / 07:27 PM
Saturday, September 5
Overcast High 82° Low 58°Precipitation
4%
· 0.0 in
Max wind
20 mph
Humidity
38%
UV index
6 - High
Sunrise / sunset
06:29 AM / 07:26 PM
Sunday, September 6
Overcast High 77° Low 52°Precipitation
71%
· 0.36 in
Max wind
19 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
06:30 AM / 07:24 PM
Monday, September 7
Overcast High 70° Low 48°Precipitation
63%
· 0.05 in
Max wind
20 mph
Humidity
74%
UV index
5 - Moderate
Sunrise / sunset
06:31 AM / 07:22 PM
Tuesday, September 8
Sunny High 67° Low 42°Precipitation
1%
· 0.0 in
Max wind
18 mph
Humidity
34%
UV index
5 - Moderate
Sunrise / sunset
06:32 AM / 07:21 PM
Cheyenne 14-day outlook: the story
The warmest day of Cheyenne's 14-day outlook is Saturday, August 29 with a high near 90°F (32°C); the coolest night comes Tuesday, September 8, dipping to 42°F (5°C). The trend points cooler: week two runs about 8°F below week one. Highs over the next two weeks average 85°F (29°C), about 4°F (2°C) above the typical August high of 81°F (27°C).
Precipitation is most likely on Sunday 6, Monday 7; the wettest day looks like Sunday, September 6 with about 0.36 in (9.1 mm) expected. For the weekend, expect Saturday 90°F (32°C) and overcast / Sunday 80°F (27°C) and overcast.
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 2 of the next 14 days, peaking around Sunday, September 6.
What will be the warmest day in Cheyenne over the next 14 days?
Saturday, August 29, with a forecast high near 90°F (32°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