Weather forecast for todayBig Sky, MT

Weather forecast for today

Current condition 6:57 am MST

  • 28°F
  • Feels like:
    28°F
Fog
Fog
  • Precipitation: 0"
  • Wind: 1mphSSW 210°
  • Humidity: 80%
  • Dewpoint: 21°F
  • Pressure: 30.31"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Currently, in Big Sky, patches of fog are forming in low-lying areas, affecting travel conditions.
The temperature is a freezing 28.4°F. The current temperature is at the minimum anticipated for today.

Sunday Oct 25, 2026

  • 48°F
  • 28°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphSE 145°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
Today, in Big Sky, a cloudy morning is expected, followed by brighter skies in the afternoon.
Anticipated temperatures will peak at a chilly 48.2°F and dip to a minimum of a freezing 28.4°F.
The forecasted peak temperature will reflect the average October high of 45.5°F.
Sunrise was at 7:55 am and sunset will be at 6:23 pm; the daylight will last for 10h and 28min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 46°C.
Coldest hour: 8 am 28°C.

Chance of precipitation

Highest chance: 8 am 15%.

Hourly weather forecast

  • 8 am
  • 28°F
  • Feels like:
    28°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 1mphSW 214°
  • Humidity: 81%
  • Pressure: 30.3"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 9 am
  • 32°F
  • Feels like:
    32°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSSW 201°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 10 am
  • 36°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphS 172°
  • Humidity: 70%
  • Pressure: 30.27"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 11 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 194°
  • Humidity: 68%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSE 164°
  • Humidity: 59%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 1 pm
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSE 132°
  • Humidity: 53%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 46°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 158°
  • Humidity: 49%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 48°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 53°
  • Humidity: 50%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 46°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphE 80°
  • Humidity: 54%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 45°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNE 37°
  • Humidity: 61%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 41°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphN 353°
  • Humidity: 66%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 7 pm
  • 36°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphWNW 288°
  • Humidity: 75%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 34°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphSSW 193°
  • Humidity: 78%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphSSE 161°
  • Humidity: 79%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 32°F
  • Feels like:
    28°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphS 169°
  • Humidity: 81%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 32°F
  • Feels like:
    27°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSSW 208°
  • Humidity: 80%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of mostly clear and overcast weather is forecasted.
The temperature will be between a minimum of 28.4°F and a maximum of 48.2°F. The warmest part of the day will be around 3 pm.
Today, the forecasted high aligns resembling the average peak in October. The lowest temperature is also consistent with October's typical minimum of 27.5°F.
Updated: Oct 25, 2026 @ 13:57:51 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (6:57 am MST) is 28.4°F.

On Sunday, in Big Sky, cloudy skies are expected in the morning. However, sunshine will break through by the afternoon.

Today, the highest temperature will be 48.2°F, while the lowest temperature will be 28.4°F.
The maximum temperature will be in line with the average highest temperature of 45.5°F in October. Today, the lowest temperature will be also in line with the average low temperature.

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

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