Weather forecast for 10 daysGrass Creek, WY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 39°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 27°
- Humidity: 29%
- UV index: 3
- Sunrise: 7:33 am MDT
- Sunset: 6:26 pm MDT
- details ▼
On Sunday, October 18, sun-filled skies will remain for most of the day.
Temperatures are anticipated to range from a maximum of an enjoyable 64.4°F to a minimum of a wintry 39.2°F.
A forecast high of 64.4°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:33 am and sunset at 6:26 pm; the daylight will last for 10h and 53min.
Temperatures are anticipated to range from a maximum of an enjoyable 64.4°F to a minimum of a wintry 39.2°F.
A forecast high of 64.4°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:33 am and sunset at 6:26 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Minimum temperature: 48°C.
Minimum temperature: 48°C.
Chance of precipitation
Highest chance: Friday 54%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 39°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 27°
- Humidity: 29%
- UV index: 3
- Sunrise: 7:33 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSE 133°
- Humidity: 35%
- UV index: 3
- Sunrise: 7:34 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphNE 52°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:35 am MDT
- Sunset: 6:22 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSE 153°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:37 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSE 166°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:38 am MDT
- Sunset: 6:19 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 34°F
PM Showers
- Precip. probability: 54%
- Precipitation: 0"
- Wind: 12mphNW 306°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:39 am MDT
- Sunset: 6:18 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 48°F
- 36°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0.2"
- Wind: 9mphNE 55°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:40 am MDT
- Sunset: 6:16 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 55°F
- 37°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSE 136°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 36°F
Mostly Sunny
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 8mphNNE 33°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:43 am MDT
- Sunset: 6:13 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 48°F
- 34°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphN 358°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:12 pm MDT
- details ▼
Looking ahead, conditions suggest a period of sunny, gloomy and rain-filled weather is anticipated.
With a 18% probability, rainfall is anticipated only on Saturday. The precipitation will be light at 0.2".
There will be a considerable variation in temperature in the coming days. The maximum temperature will vary between 48.2°F and 68°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 33.8°F up to 48.2°F.
Tuesday and Thursday, with the highest temperature of 68°F, will be the warmest days; Saturday and next Tuesday, with the highest temperature of 48.2°F, will be the coldest days.
With a 18% probability, rainfall is anticipated only on Saturday. The precipitation will be light at 0.2".
There will be a considerable variation in temperature in the coming days. The maximum temperature will vary between 48.2°F and 68°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 33.8°F up to 48.2°F.
Tuesday and Thursday, with the highest temperature of 68°F, will be the warmest days; Saturday and next Tuesday, with the highest temperature of 48.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 07:47:32 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
On Sunday, a pleasant, mostly sunny outlook is in place.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 39.2°F.
Today, the highest temperature will be noticeably higher than the average maximum of 48.9°F in October. The lowest temperature today will be a couple of degrees higher than the average low temperature.
Today, the highest temperature will be noticeably higher than the average maximum of 48.9°F in October. The lowest temperature today will be a couple of degrees higher than the average low temperature.
On Sunday, in Grass Creek, sunrise will be at 7:33 am and sunset at 6:26 pm (MDT).
In Grass Creek, the length of the day today will be 10h and 53min.





