Weather forecast for 10 daysRalston, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 139°
  • Humidity: 23%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
Today, occasional cloudiness will be present, but there will still be plenty of sun.
Temperatures will show considerable variation, extending from a high of a delightful 71.6°F to a low of a chilly 42.8°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 72.1°F, not October's.
Sunrise was at 7:33 am and sunset will be at 6:27 pm; the daylight will last for 10h and 54min.

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNNW 339°
  • Humidity: 33%
  • UV index: 3
  • Sunrise: 7:35 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
Tomorrow, in Ralston, sun-filled skies will remain for most of the day.
Significant temperature variations are forecasted, soaring to a maximum of an enjoyable 64.4°F and descending to a minimum of a wintry 35.6°F.
Temperatures are higher than average, more in line with September's norm of 72.1°F than with October's 54.9°F.
Sunrise will be at 7:35 am and sunset at 6:25 pm; tomorrow's daylight will last for 10h and 51min.

10-day overview

Daily temperatures

Warmest day: today 72°C.
Coldest day: Saturday 24.10. 52°C.

Chance of precipitation

Highest chance: Friday 56%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 139°
  • Humidity: 23%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNNW 339°
  • Humidity: 33%
  • UV index: 3
  • Sunrise: 7:35 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphSE 127°
  • Humidity: 35%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphESE 104°
  • Humidity: 34%
  • UV index: 3
  • Sunrise: 7:37 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSE 129°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:39 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphSE 134°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 63°F
  • 39°F
PM Showers
PM Showers
  • Precip. probability: 56%
  • Precipitation: 0.31"
  • Wind: 11mphNW 325°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphN 359°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 10mphESE 103°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphNE 42°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
Looking ahead, conditions suggest a period of overcast, dry and sunny and damp weather is anticipated.
With a probability of 56%, rainfall is anticipated only on Friday. Forecasted precipitation will be light at 0.31".
Noticeable swings in temperature are expected throughout the forecast window. The maximum temperature will vary between 51.8°F and 71.6°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 35.6°F and 48.2°F.
With a high of 71.6°F, today is the warmest day; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 51.8°F.
Updated: Oct 17, 2026 @ 18:39:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, variable cloud cover will persist, but sunshine will break through.

Today, the highest temperature will be 71.6°F, while the lowest temperature will be 42.8°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 54.9°F in October. The lowest temperature will be moderately higher than the average low of 37.9°F.

On Saturday, in Ralston, sunrise was at 7:33 am and sunset will be at 6:27 pm (MDT).

Today, the daylight will last for 10h and 54min.

On Sunday, 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.
Tomorrow, the highest temperature will be notably higher than the average maximum of 54.9°F in October. The lowest temperature will be in line with the average low of 37.9°F.

On Sunday, in Ralston, sunrise will be at 7:35 am and sunset at 6:25 pm (MDT).

In Ralston, the length of the day tomorrow will be 10h and 51min.