Weather forecast for 10 daysYellowstone Lake, WY

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 55°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 212°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:32 pm MDT
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Today, in Yellowstone Lake, expect plenty of sunshine and only a few scattered clouds.
A notable disparity in temperature is anticipated, reaching up to a maximum of a refreshing 55.4°F and falling to a minimum of a harsh 28.4°F.
Sunrise will be at 7:40 am and sunset at 6:32 pm; the daylight will last for 10h and 52min.

10-day overview

Daily temperatures

Maximum temperature: 55°C.
Minimum temperature: 41°C.

Chance of precipitation

Highest chance: Friday 83%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 55°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 212°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 55°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 206°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 54°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 2mphSW 220°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 5mphSSW 203°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 55°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 0.16"
  • Wind: 5mphSSW 193°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 41°F
  • 23°F
Rain
Rain
  • Precip. probability: 83%
  • Precipitation: 0.55"
  • Wind: 7mphWSW 247°
  • Humidity: 91%
  • UV index: 1
  • Sunrise: 7:47 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 41°F
  • 25°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 6mphSW 234°
  • Humidity: 81%
  • UV index: 2
  • Sunrise: 7:48 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 48°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 6mphSSW 203°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 46°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphSSW 209°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 41°F
  • 23°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphSW 231°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:52 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
For the next ten days, a combination of overcast, mostly clear and rain-soaked weather is forecasted.
Rain is expected on Thursday and Friday.
Temperature fluctuation will be noticeable in the upcoming days. Forecast highs will fluctuate between 41°F and 55.4°F, while the low temperature range extends from 23°F to 33.8°F.
The warmest days in Yellowstone Lake will be Sunday, Monday, Wednesday and Thursday, with a maximum of 55.4°F; the coldest days will be Friday, Saturday and next Tuesday, with a maximum of 41°F.
Updated: Oct 18, 2026 @ 13:05:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a pleasant, mostly sunny outlook is in place.

Today, the maximum temperature will be 55.4°F, while the minimum temperature will be 28.4°F.

On Sunday, in Yellowstone Lake, sunrise will be at 7:40 am and sunset at 6:32 pm (MDT).

In Yellowstone Lake, the length of the day today will be 10h and 52min.