Weather forecast for tomorrowBig Sky, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 61°F
- 32°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 196°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:33 pm MDT
- details ▼
Tomorrow, on Monday, October 19, sunshine is also expected with little to no cloud cover.
A stark contrast will be evident between the daytime peak temperature of a breezy 60.8°F and the nighttime low of an icy 32°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 63.5°F, not October's.
Sunrise will be at 7:46 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 46min.
A stark contrast will be evident between the daytime peak temperature of a breezy 60.8°F and the nighttime low of an icy 32°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 63.5°F, not October's.
Sunrise will be at 7:46 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 46min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 32°C.
Coldest hour: 6 am 32°C.
Chance of precipitation
Highest chance: 1%.
Hourly weather forecast
- 12 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphS 180°
- Humidity: 59%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 34°F
- Feels like:32°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 187°
- Humidity: 65%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 34°F
- Feels like:30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 186°
- Humidity: 68%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 32°F
- Feels like:30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 186°
- Humidity: 71%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:46 am
- 8 am
- 32°F
- Feels like:28°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 190°
- Humidity: 76%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 43°F
- Feels like:41°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 187°
- Humidity: 58%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSW 197°
- Humidity: 41%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 202°
- Humidity: 27%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 207°
- Humidity: 25%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSW 207°
- Humidity: 30%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:33 pm
- 8 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 190°
- Humidity: 44%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 190°
- Humidity: 56%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of sun-filled and dull weather is anticipated.
The temperature will vary between the lowest temperature of 32°F and the highest temperature of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more resembling September's typical high of 63.5°F than the average for October. The nighttime low will be slightly warmer than the typical October minimum temperature of 27.5°F.
The temperature will vary between the lowest temperature of 32°F and the highest temperature of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more resembling September's typical high of 63.5°F than the average for October. The nighttime low will be slightly warmer than the typical October minimum temperature of 27.5°F.
Updated: Oct 18, 2026 @ 06:53:39 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 Monday, in Big Sky, clear and sunny conditions are expected.
Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 32°F.
The highest temperature will be notably higher than the average maximum of 45.5°F in October. The lowest temperature will be a couple of degrees higher than the average low of 27.5°F.
The highest temperature will be notably higher than the average maximum of 45.5°F in October. The lowest temperature will be a couple of degrees higher than the average low of 27.5°F.
On Monday, in Big Sky, sunrise will be at 7:46 am and sunset at 6:33 pm (MDT).
In Big Sky, the length of the day tomorrow will be 10h and 46min.
