Weather forecast for tomorrowGrass Creek, WY

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSE 130°
  • Humidity: 35%
  • UV index: 3
  • Sunrise: 7:34 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
Tomorrow, in Grass Creek, the outlook remains bright and sunny.
Temperatures will oscillate between an enjoyable 66.2°F at their highest and a chilly 44.6°F at their lowest.
The higher temperature of 66.2°F is more typical of September than October.
Sunrise will be at 7:34 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 12 am - 9 pm 0%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 247°
  • Humidity: 50%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 239°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphWSW 247°
  • Humidity: 55%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 259°
  • Humidity: 57%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:34 am
  • 8 am
  • 39°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphW 259°
  • Humidity: 56%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWSW 254°
  • Humidity: 39%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphE 99°
  • Humidity: 31%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphE 97°
  • Humidity: 26%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphESE 113°
  • Humidity: 24%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 124°
  • Humidity: 30%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:24 pm
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 225°
  • Humidity: 41%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 260°
  • Humidity: 44%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, primarily mostly clear and occasionally overcast weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature is more similar to September's average maximum of 65.8°F than October's usual of 48.9°F. The expected low will be also more in line with what’s typical in September than in October.
Updated: Oct 18, 2026 @ 11:02:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, skies will stay clear and sunny.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be significantly higher than the average highest temperature of 48.9°F in October. The lowest temperature will be also noticeably higher than the average low of 32.7°F.

On Monday, in Grass Creek, sunrise will be at 7:34 am and sunset at 6:24 pm (MDT).

In Grass Creek, the length of the day tomorrow will be 10h and 50min.