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 196°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:32 pm MDT
- details ▼
On Sunday, October 18, mostly sunny weather is also likely, with high visibility.
Day and night temperatures will contrast sharply, ranging from a peak of a comfortable 60.8°F to a low of a subzero 28.4°F.
Tomorrow, the anticipated high will be higher and much closer to September's average high of 61.9°F than October's 44.2°F.
Sunrise will be at 7:42 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 50min.
Day and night temperatures will contrast sharply, ranging from a peak of a comfortable 60.8°F to a low of a subzero 28.4°F.
Tomorrow, the anticipated high will be higher and much closer to September's average high of 61.9°F than October's 44.2°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: today 64°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: 14mphSSW 195°
- Humidity: 57%
- 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 196°
- 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 196°
- 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 200°
- 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 233°
- 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 200°
- Humidity: 64%
- 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 208°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:19 pm MDT
- details ▼
Primarily overcast and occasionally mostly clear and rain-filled weather is predicted.
Rainfall is anticipated on Thursday and Friday.
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 42.8°F and 62.6°F, while the low temperature range extends from 26.6°F to 37.4°F.
Expect the warmest day on Monday, with temperatures peaking at 62.6°F; expect the coldest day on next Saturday with a high of 42.8°F.
Rainfall is anticipated on Thursday and Friday.
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 42.8°F and 62.6°F, while the low temperature range extends from 26.6°F to 37.4°F.
Expect the warmest day on Monday, with temperatures peaking at 62.6°F; expect the coldest day on next Saturday with a high of 42.8°F.
Updated: Oct 17, 2026 @ 21:46:03 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, mostly sunny and dry conditions will continue.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 28.4°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 44.2°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 44.2°F in October. Tomorrow, the lowest temperature 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, tomorrow, there will be 10h and 50min of daylight.
