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

Today

Sunny High 80° Low 60°
Precipitation
57% · 0.12 in
11 mph
8 - High
Sunrise / sunset
06:08 AM / 07:58 PM

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

Monthly averages for Cheyenne based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
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