Weather forecast for 10 daysMammoth, WY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 28°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 198°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:32 pm MDT
- details ▼
On Sunday, October 18, mostly clear skies and sunshine will create ideal daytime conditions.
Significant variations in temperature are anticipated, peaking at a comfortable 60.8°F and dropping to a low of a harsh 28.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 61.9°F.
Sunrise will be at 7:42 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 50min.
Significant variations in temperature are anticipated, peaking at a comfortable 60.8°F and dropping to a low of a harsh 28.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 61.9°F.
Sunrise will be at 7:42 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 50min.
10-day overview
Daily temperatures
Warmest day: Monday 63°C.
Coldest day: Saturday 24.10. 43°C.
Coldest day: Saturday 24.10. 43°C.
Chance of precipitation
Highest chance: Friday 74%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 28°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 194°
- Humidity: 59%
- UV index: 0
- Sunrise: 7:41 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 28°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 198°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 30°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 197°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 32°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphSSW 201°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:45 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 61°F
- 34°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 8mphSSW 203°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0.04"
- Wind: 9mphSSW 195°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 28°F
Light Rain
- Precip. probability: 74%
- Precipitation: 0.35"
- Wind: 7mphWSW 250°
- Humidity: 89%
- UV index: 1
- Sunrise: 7:49 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 8mphSW 234°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:50 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 28°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSSW 201°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 48°F
- 28°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphSSW 210°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:19 pm MDT
- details ▼
Primarily dull and occasionally dry and sunny and rainy weather is predicted.
Rainfall is expected on Thursday and Friday.
Temperature differences will be noticeable across the forecast period. The maximum temperature will vary between 42.8°F and 62.6°F, while nighttime temperatures are expected to vary from 26.6°F to 37.4°F.
The warmest day will be Monday, with a maximum of 62.6°F; with the highest temperature of 42.8°F, next Saturday will be the coldest day.
Rainfall is expected on Thursday and Friday.
Temperature differences will be noticeable across the forecast period. The maximum temperature will vary between 42.8°F and 62.6°F, while nighttime temperatures are expected to vary from 26.6°F to 37.4°F.
The warmest day will be Monday, with a maximum of 62.6°F; with the highest temperature of 42.8°F, next Saturday will be the coldest day.
Updated: Oct 17, 2026 @ 23:07:49 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
Tomorrow, predominantly sunny weather will make for pleasant outdoor conditions.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 28.4°F.
The highest temperature will be notably higher than the average maximum of 44.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be notably higher than the average maximum of 44.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Mammoth, sunrise will be at 7:42 am and sunset at 6:32 pm (MDT).
In Mammoth, Wyoming, tomorrow, there will be 10h and 50min of daylight.
