Weather forecast for tomorrowCheyenne, WY
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 70°F
- 39°F
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
- details ▼
On Sunday, in Cheyenne, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature values will vary noticeably, extending from a pleasant 69.8°F to a wintry 39.2°F.
Tomorrow, the temperature forecast of 69.8°F will better match September's climate average than that of October.
Sunrise will be at 7:14 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 59min.
Temperature values will vary noticeably, extending from a pleasant 69.8°F to a wintry 39.2°F.
Tomorrow, the temperature forecast of 69.8°F will better match September's climate average than that of October.
Sunrise will be at 7:14 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 68°C.
Coldest hour: 3 am 46°C.
Coldest hour: 3 am 46°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 273°
- Humidity: 32%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 275°
- Humidity: 32%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 275°
- Humidity: 31%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWNW 282°
- Humidity: 32%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 48°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 288°
- Humidity: 34%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWNW 294°
- Humidity: 24%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNW 319°
- Humidity: 16%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphN 358°
- Humidity: 16%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNE 33°
- Humidity: 21%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphNE 56°
- Humidity: 29%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 36°
- Humidity: 40%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 9°
- Humidity: 49%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of sunny and dull weather is predicted.
The temperature will vary between a minimum of 46.4°F and a maximum of 68°F. The warmest part of the day will be from noon to 3 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the temperature will drop to a level resembling October's average minimum of 38.3°F.
The temperature will vary between a minimum of 46.4°F and a maximum of 68°F. The warmest part of the day will be from noon to 3 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the temperature will drop to a level resembling October's average minimum of 38.3°F.
Updated: Oct 17, 2026 @ 14:50:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, mainly sunny skies with just a few high clouds are anticipated.
Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 39.2°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 57.2°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 57.2°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Cheyenne, sunrise will be at 7:14 am and sunset at 6:14 pm (MDT).
Tomorrow, the daylight will last for 10h and 59min.





