Weather forecast for 10 daysAltamont, WY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 37°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 244°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:38 am MDT
- Sunset: 6:37 pm MDT
- details ▼
On Sunday, October 18, occasional cloudiness will be present, but there will still be plenty of sun.
The temperature is forecasted to vary between an enjoyable 60.8°F and an icy 37.4°F.
The day's peak of 60.8°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:38 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 59min.
The temperature is forecasted to vary between an enjoyable 60.8°F and an icy 37.4°F.
The day's peak of 60.8°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:38 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 59min.
10-day overview
Daily temperatures
Warmest day: Wednesday 63°C.
Coldest period: Friday - Saturday 46°C.
Coldest period: Friday - Saturday 46°C.
Chance of precipitation
Highest chance: Friday 53%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 34°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 179°
- Humidity: 45%
- UV index: 0
- Sunrise: 7:37 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 37°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 244°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:38 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 39°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSW 233°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:39 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSW 222°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:40 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSE 156°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:41 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 41°F
PM Showers
- Precip. probability: 34%
- Precipitation: 0.28"
- Wind: 8mphS 177°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 46°F
- 34°F
Showers
- Precip. probability: 53%
- Precipitation: 0.2"
- Wind: 15mphWSW 240°
- Humidity: 79%
- UV index: 2
- Sunrise: 7:44 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 34°F
Mostly Sunny
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 10mphWSW 251°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:45 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 37°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 195°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:46 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 36°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 10mphSW 214°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:47 am MDT
- Sunset: 6:26 pm MDT
- details ▼
Models point to a combination of bright, cloudy and showery weather is expected.
Rain is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the upcoming days. The maximum temperature will vary between 46.4°F and 62.6°F, while nighttime temperatures are expected to vary from 33.8°F to 42.8°F.
Wednesday is expected to be the warmest, reaching up to 62.6°F; the coldest days will be Friday and next Saturday, with a maximum of 46.4°F.
Rain is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the upcoming days. The maximum temperature will vary between 46.4°F and 62.6°F, while nighttime temperatures are expected to vary from 33.8°F to 42.8°F.
Wednesday is expected to be the warmest, reaching up to 62.6°F; the coldest days will be Friday and next Saturday, with a maximum of 46.4°F.
Updated: Oct 18, 2026 @ 03:31:07 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, in Altamont, patchy clouds will move across the sky, allowing for sunshine at times.
Tomorrow, the highest temperature in Altamont will be 60.8°F, while the lowest temperature will be 37.4°F.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also a few degrees higher than the average low temperature.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also a few degrees higher than the average low temperature.
On Sunday, in Altamont, sunrise will be at 7:38 am and sunset at 6:37 pm (MDT).
In Altamont, tomorrow, there will be 10h and 59min of daylight.
