Cheyenne, WY 14-Day Forecast

Wyoming, United States 🇺🇸
89°
Sunny right now Today: high 92°, low 57°
Updated 1 min ago

Cheyenne weather for the next 14 days

Today

Sunny High 92° Low 57°
Precipitation
0% · 0.0 in
18 mph
10 - Very High
Sunrise / sunset
05:59 AM / 08:10 PM

Friday, August 7

Sunny High 92° Low 64°
Precipitation
0% · 0.0 in
Max wind
14 mph
Humidity
12%
UV index
9 - Very High
Sunrise / sunset
06:00 AM / 08:09 PM

Saturday, August 8

Sunny High 97° Low 70°
Precipitation
0% · 0.0 in
Max wind
18 mph
Humidity
12%
UV index
9 - Very High
Sunrise / sunset
06:01 AM / 08:07 PM

Sunday, August 9

Sunny High 95° Low 68°
Precipitation
17% · 0.0 in
Max wind
16 mph
Humidity
18%
UV index
9 - Very High
Sunrise / sunset
06:02 AM / 08:06 PM

Monday, August 10

Sunny High 92° Low 64°
Precipitation
57% · 0.16 in
Max wind
36 mph
Humidity
32%
UV index
8 - Very High
Sunrise / sunset
06:03 AM / 08:05 PM

Tuesday, August 11

Sunny High 93° Low 63°
Precipitation
1% · 0.0 in
Max wind
15 mph
Humidity
33%
UV index
8 - Very High
Sunrise / sunset
06:04 AM / 08:04 PM

Wednesday, August 12

Sunny High 93° Low 62°
Precipitation
1% · 0.0 in
Max wind
12 mph
Humidity
26%
UV index
8 - Very High
Sunrise / sunset
06:05 AM / 08:02 PM

Thursday, August 13

Sunny High 84° Low 62°
Precipitation
57% · 0.39 in
Max wind
19 mph
Humidity
46%
UV index
7 - High
Sunrise / sunset
06:06 AM / 08:01 PM

Friday, August 14

Sunny High 84° Low 58°
Precipitation
4% · 0.0 in
Max wind
10 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
06:07 AM / 07:59 PM

Saturday, August 15

Sunny High 70° Low 55°
Precipitation
78% · 2.4 in
Max wind
13 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
06:08 AM / 07:58 PM

Sunday, August 16

Sunny High 78° Low 54°
Precipitation
8% · 0.0 in
Max wind
24 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
06:09 AM / 07:57 PM

Monday, August 17

Sunny High 87° Low 56°
Precipitation
2% · 0.0 in
Max wind
16 mph
Humidity
48%
UV index
8 - Very High
Sunrise / sunset
06:10 AM / 07:55 PM

Tuesday, August 18

Partly Cloudy High 82° Low 66°
Precipitation
3% · 0.0 in
Max wind
19 mph
Humidity
31%
UV index
7 - High
Sunrise / sunset
06:11 AM / 07:54 PM

Wednesday, August 19

Sunny High 87° Low 63°
Precipitation
1% · 0.0 in
Max wind
14 mph
Humidity
26%
UV index
8 - Very High
Sunrise / sunset
06:12 AM / 07:52 PM

Cheyenne 14-day outlook: the story

The warmest day of Cheyenne's 14-day outlook is Saturday, August 8 with a high near 97°F (36°C); the coolest night comes Sunday, August 16, dipping to 54°F (12°C). The trend points cooler: week two runs about 12°F below week one. Highs over the next two weeks average 93°F (34°C), about 12°F (7°C) above the typical August high of 81°F (27°C).

Precipitation is most likely on Monday 10, Thursday 13, Saturday 15; the wettest day looks like Saturday, August 15 with about 2.4 in (60.9 mm) expected. For the weekend, expect Saturday 97°F (36°C) and sunny / Sunday 95°F (35°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 3 of the next 14 days, peaking around Saturday, August 15.
What will be the warmest day in Cheyenne over the next 14 days?
Saturday, August 8, with a forecast high near 97°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