Weather forecast for 10 daysCheyenne, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 73°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 236°
  • Humidity: 21%
  • UV index: 4
  • Sunrise: 7:13 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
Today, clear skies and sunshine are anticipated.
Dramatic temperature shifts from a high of a temperate 73.4°F to a low of a brisk 46.4°F are expected.
The higher temperature of 73.4°F is more typical of September than October.
Sunrise was at 7:13 am and sunset will be at 6:15 pm; the daylight will last for 11h and 2min.

Sunday Oct 18, 2026

  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNNW 338°
  • Humidity: 23%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
Tomorrow, in Cheyenne, golden sunshine will carry through the day.
A high of a pleasant 69.8°F during the day contrasts markedly with a low of an icy 39.2°F at night.
The temperature of 69.8°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:14 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest day: today 73°C.
Coldest day: Saturday 24.10. 54°C.

Chance of precipitation

Highest chance: Friday 40%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 73°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 236°
  • Humidity: 21%
  • UV index: 4
  • Sunrise: 7:13 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNNW 338°
  • Humidity: 23%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphS 187°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphWSW 255°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 204°
  • Humidity: 39%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 10mphS 185°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 68°F
  • 45°F
PM Showers
PM Showers
  • Precip. probability: 40%
  • Precipitation: 0.08"
  • Wind: 12mphSW 225°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:20 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphNNW 340°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphS 177°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:22 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 12mphSW 224°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:23 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
For the next ten days, a combination of sun-filled, gloomy and showery weather is forecasted.
With a probability of 40%, rainfall is forecasted only for Friday. The precipitation will be minimal at 0.08".
The temperature will vary considerably in the next ten days. Maximum temperatures are forecasted between 53.6°F and 73.4°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 35.6°F up to 48.2°F.
The warmest day is today, with a maximum temperature of 73.4°F; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 53.6°F.
Updated: Oct 17, 2026 @ 13:49:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Cheyenne, clear and sunny conditions are expected.

Today, the highest temperature will be 73.4°F, while the lowest temperature will be 46.4°F.
Today, the maximum temperature will be noticeably higher than the average highest temperature of 57.2°F in October. The lowest temperature today will be moderately higher than the average low temperature.

On Saturday, in Cheyenne, sunrise was at 7:13 am and sunset will be at 6:15 pm (MDT).

In Cheyenne, today, there will be 11h and 2min of daylight.

On Sunday, in Cheyenne, clear skies with only minor cloud interruptions are in the outlook.

Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 57.2°F in October. The lowest temperature will be in line with the average low of 38.3°F.

On Sunday, in Cheyenne, sunrise will be at 7:14 am and sunset at 6:14 pm (MDT).

In Cheyenne, tomorrow, there will be 10h and 59min of daylight.