Weather forecast for todayBig Sky, MT

Weather forecast for today

Current condition 12:32 am MST

  • 30°F
  • Feels like:
    30°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 2mphSSW 210°
  • Humidity: 84%
  • Dewpoint: 27°F
  • Pressure: 30.25"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Currently, the day starts and ends with fair skies and comfortable temperatures.
The temperature is a freezing 30.2°F. The current temperature is almost at the minimum-expected 28.4°F for today.

Sunday Oct 25, 2026

  • 48°F
  • 28°F
Sunny
Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 5mphSSE 150°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
Today, sunny conditions are expected to continue.
The temperature scale will run from a maximum of a brisk 48.2°F to a minimum of a harsh 28.4°F.
The forecasted daytime maximum should align with the typical October high of 45.5°F.
Sunrise will be at 7:55 am and sunset at 6:23 pm; the daylight will last for 10h and 28min.

Hourly overview

Hourly temperatures

Warmest hour: 2 pm 46°C.
Coldest period: 5 am - 8 am 25°C.

Chance of precipitation

Highest chance: 11 pm 6%.

Hourly weather forecast

  • 2 am
  • 28°F
  • Feels like:
    28°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSW 221°
  • Humidity: 86%
  • Pressure: 30.24"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 27°F
  • Feels like:
    27°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSW 212°
  • Humidity: 92%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 25°F
  • Feels like:
    25°F
Mostly Clear
Mostly Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphSW 220°
  • Humidity: 97%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:55 am
  • 8 am
  • 25°F
  • Feels like:
    25°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSSW 212°
  • Humidity: 96%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 34°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 2mphS 173°
  • Humidity: 77%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 175°
  • Humidity: 57%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 46°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 145°
  • Humidity: 48%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 46°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphE 90°
  • Humidity: 51%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 41°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphN 357°
  • Humidity: 64%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 8 pm
  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphS 189°
  • Humidity: 77%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 32°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphS 179°
  • Humidity: 81%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Big Sky, primarily bright and sunny weather is anticipated.
The temperature will be between the highest temperature of 46.4°F and the lowest temperature of 24.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be similar to October's average maximum of 45.5°F. The minimum temperature will be also similar to October's average low of 27.5°F.
Updated: Oct 25, 2026 @ 07:32:54 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (12:32 am MST) is 30.2°F.

On Sunday, in Big Sky, the outlook remains bright and sunny.

Today, the highest temperature will be 48.2°F, while the lowest temperature will be 28.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 27.5°F.

On Sunday, in Big Sky, sunrise will be at 7:55 am and sunset at 6:23 pm (MDT).

In Big Sky, the length of the day today will be 10h and 28min.