Weather forecast for tomorrowCasper, WY
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphW 262°
- Humidity: 36%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:18 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, expect plenty of sunshine and only a few scattered clouds.
The day will see a remarkable high of an enjoyable 66.2°F, sharply contrasting with a low of a wintry 35.6°F.
A high of 66.2°F is expected, which resembles September's climate average of 72.7°F more than October's 54.3°F.
Sunrise will be at 7:22 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 56min.
The day will see a remarkable high of an enjoyable 66.2°F, sharply contrasting with a low of a wintry 35.6°F.
A high of 66.2°F is expected, which resembles September's climate average of 72.7°F more than October's 54.3°F.
Sunrise will be at 7:22 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 46°C.
Coldest hour: 6 am 46°C.
Chance of precipitation
Highest chance: 9 pm 1%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSW 222°
- Humidity: 41%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 50°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSW 229°
- Humidity: 43%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 237°
- Humidity: 42%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 247°
- Humidity: 45%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:22 am
- 8 am
- 48°F
- Feels like:43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphWSW 249°
- Humidity: 47%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 246°
- Humidity: 40%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 242°
- Humidity: 33%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphWSW 251°
- Humidity: 30%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNW 305°
- Humidity: 30%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 43°
- Humidity: 36%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:18 pm
- 8 pm
- 52°F
- Feels like:48°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphE 85°
- Humidity: 54%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:43°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphE 85°
- Humidity: 58%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily mostly clear and occasionally cloud-filled weather is expected.
The temperature will vary between a minimum of 44.6°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 54.3°F. The lowest temperature tomorrow will be close to October's average minimum.
The temperature will vary between a minimum of 44.6°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 54.3°F. The lowest temperature tomorrow will be close to October's average minimum.
Updated: Oct 17, 2026 @ 15:53:18 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, sun-filled skies will remain for most of the day.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be significantly higher than the average maximum of 54.3°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature tomorrow will be significantly higher than the average maximum of 54.3°F in October. The lowest temperature tomorrow 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.
