Weather forecast for 10 daysRock River, WY

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphW 271°
  • Humidity: 35%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
Tomorrow, a bright and mostly cloud-free sky is in store.
The day's temperature range will span from a high of an enjoyable 64.4°F to a minimum of a cold 35.6°F.
The predicted high will feel warmer, consistent with September's climate average of 68.4°F.
Sunrise will be at 7:19 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest period: Wednesday - Thursday 66°C.
Coldest day: Saturday 24.10. 50°C.

Chance of precipitation

Highest chance: Friday 45%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 32°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphWSW 243°
  • Humidity: 46%
  • UV index: 0
  • Sunrise: 7:18 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphW 271°
  • Humidity: 35%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 124°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:21 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphWSW 253°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:22 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSW 213°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:23 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 9mphS 190°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:24 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 57°F
  • 37°F
PM Showers
PM Showers
  • Precip. probability: 45%
  • Precipitation: 0.2"
  • Wind: 15mphSW 223°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:25 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 17mphW 271°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:26 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphS 179°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 59°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphS 182°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
For the next ten days, a combination of bright, cloud-filled and damp weather is expected.
With a probability of 45%, rainfall is expected only on Friday. Predicted precipitation will be light at 0.2".
The temperature will vary considerably across the forecast period. Forecast highs will fluctuate between 50°F and 66.2°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 30.2°F and 44.6°F.
With a maximum temperature of 66.2°F, Wednesday and Thursday will be the warmest days in Rock River; the coldest day will be next Saturday, with a maximum of 50°F.
Updated: Oct 18, 2026 @ 00:31:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Rock River, bright conditions and mild breezes are expected.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be noticeably higher than the average highest temperature of 51.1°F in October. The lowest temperature will be in line with the average low of 32.9°F.

On Sunday, in Rock River, sunrise will be at 7:19 am and sunset at 6:18 pm (MDT).

In Rock River, the length of the day tomorrow will be 10h and 58min.