Cheyenne, WY 14-Day Forecast
Wyoming, United States 🇺🇸
68°
Cloudy right now
Today: high 69°, low 48°
Updated just now
Cheyenne weather for the next 14 days
Wednesday, September 16
Overcast High 81° Low 53°Precipitation
21%
· 0.01 in
Max wind
15 mph
Humidity
48%
UV index
6 - High
Sunrise / sunset
06:40 AM / 07:07 PM
Thursday, September 17
Overcast High 70° Low 59°Precipitation
52%
· 0.03 in
Max wind
12 mph
Humidity
64%
UV index
5 - Moderate
Sunrise / sunset
06:41 AM / 07:05 PM
Friday, September 18
Overcast High 81° Low 58°Precipitation
67%
· 0.2 in
Max wind
18 mph
Humidity
54%
UV index
7 - High
Sunrise / sunset
06:42 AM / 07:03 PM
Saturday, September 19
Overcast High 76° Low 57°Precipitation
68%
· 0.36 in
Max wind
27 mph
Humidity
58%
UV index
7 - High
Sunrise / sunset
06:43 AM / 07:02 PM
Sunday, September 20
Sunny High 69° Low 52°Precipitation
3%
· 0.0 in
Max wind
18 mph
Humidity
50%
UV index
6 - High
Sunrise / sunset
06:44 AM / 07:00 PM
Monday, September 21
Sunny High 74° Low 51°Precipitation
3%
· 0.0 in
Max wind
10 mph
Humidity
39%
UV index
6 - High
Sunrise / sunset
06:45 AM / 06:58 PM
Tuesday, September 22
Overcast High 76° Low 60°Precipitation
7%
· 0.0 in
Max wind
21 mph
Humidity
31%
UV index
6 - High
Sunrise / sunset
06:46 AM / 06:57 PM
Wednesday, September 23
Sunny High 59° Low 44°Precipitation
57%
· 0.05 in
Max wind
20 mph
Humidity
56%
UV index
4 - Moderate
Sunrise / sunset
06:47 AM / 06:55 PM
Thursday, September 24
Sunny High 80° Low 44°Precipitation
0%
· 0.0 in
Max wind
10 mph
Humidity
26%
UV index
7 - High
Sunrise / sunset
06:48 AM / 06:53 PM
Friday, September 25
Sunny High 79° Low 48°Precipitation
1%
· 0.0 in
Max wind
20 mph
Humidity
28%
UV index
7 - High
Sunrise / sunset
06:49 AM / 06:52 PM
Saturday, September 26
Overcast High 47° Low 41°Precipitation
29%
· 0.0 in
Max wind
12 mph
Humidity
79%
UV index
2 - Low
Sunrise / sunset
06:50 AM / 06:50 PM
Sunday, September 27
Overcast High 61° Low 42°Precipitation
12%
· 0.0 in
Max wind
14 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
06:51 AM / 06:48 PM
Monday, September 28
Sunny High 78° Low 46°Precipitation
2%
· 0.0 in
Max wind
24 mph
Humidity
37%
UV index
6 - High
Sunrise / sunset
06:52 AM / 06:46 PM
Cheyenne 14-day outlook: the story
The warmest day of Cheyenne's 14-day outlook is Friday, September 18 with a high near 81°F (27°C); the coolest night comes Saturday, September 26, dipping to 41°F (5°C). The trend points cooler: week two runs about 6°F below week one. Highs over the next two weeks average 74°F (23°C), right in line with the typical September high of 76°F (24°C).
Precipitation is most likely on Thursday 17, Friday 18, Saturday 19, Wednesday 23; the wettest day looks like Saturday, September 19 with about 0.36 in (9.1 mm) expected. For the weekend, expect Saturday 76°F (24°C) and overcast / Sunday 69°F (21°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 4 of the next 14 days, peaking around Saturday, September 19.
What will be the warmest day in Cheyenne over the next 14 days?
Friday, September 18, with a forecast high near 81°F (27°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