Weather forecast for 10 daysCasper, WY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 261°
- Humidity: 37%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:18 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, sunny intervals will be long-lasting, with few disruptions.
Temperature readings are anticipated to span from a high of a comfortable 66.2°F to a low of a cold 35.6°F.
The day's peak of 66.2°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:22 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 56min.
Temperature readings are anticipated to span from a high of a comfortable 66.2°F to a low of a cold 35.6°F.
The day's peak of 66.2°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:22 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 56min.
10-day overview
Daily temperatures
Warmest day: Thursday 72°C.
Coldest day: Saturday 24.10. 52°C.
Coldest day: Saturday 24.10. 52°C.
Chance of precipitation
Highest chance: Friday - Saturday 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSW 232°
- Humidity: 40%
- UV index: 0
- Sunrise: 7:21 am MDT
- Sunset: 6:19 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 261°
- Humidity: 37%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:18 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphS 169°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:23 am MDT
- Sunset: 6:16 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphWSW 237°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:25 am MDT
- Sunset: 6:14 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSW 225°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:26 am MDT
- Sunset: 6:13 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 15mphSW 219°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:27 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 64°F
- 39°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0.2"
- Wind: 21mphSW 224°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:28 am MDT
- Sunset: 6:10 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 36°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 13mphWSW 250°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:29 am MDT
- Sunset: 6:08 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 39°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphSSW 210°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:31 am MDT
- Sunset: 6:07 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 39°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 11mphSW 215°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:32 am MDT
- Sunset: 6:05 pm MDT
- details ▼
Across the following ten days, a combination of cloudy and sun-filled weather is predicted.
With a 24% probability, rainfall is predicted only for Friday. The precipitation will be light at 0.2".
Significant changes in temperature are expected in the next ten days. The temperature is expected to swing from 51.8°F up to 71.6°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 35.6°F and 50°F.
With the highest temperature of 71.6°F, Thursday will be the warmest day; next Saturday will be the coldest day, with the highest temperature of 51.8°F.
With a 24% probability, rainfall is predicted only for Friday. The precipitation will be light at 0.2".
Significant changes in temperature are expected in the next ten days. The temperature is expected to swing from 51.8°F up to 71.6°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 35.6°F and 50°F.
With the highest temperature of 71.6°F, Thursday will be the warmest day; next Saturday will be the coldest day, with the highest temperature of 51.8°F.
Updated: Oct 18, 2026 @ 00:08:00 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, in Casper, mostly sunny and dry conditions will continue.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 35.6°F.
The highest temperature will be noticeably higher than the average maximum of 54.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be noticeably higher than the average maximum of 54.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Casper, sunrise will be at 7:22 am and sunset at 6:18 pm (MDT).
Tomorrow, the daylight will last for 10h and 56min.
