Big Sky Weather Today — Montana, United States
Current temperature, rain chance, humidity, wind and air quality in Big Sky, plus an hourly and 3-day forecast. Updated through the day.
01:44
Sat, 19 Sep 2026
📍 Montana, United States
Big Sky??
10
°C
Light rain shower
Feels 10°C · 50°F
💧 91% Humidity
💨 ↓ 5 km/h S
👁 10 km Visibility
🌧 1.44 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1017
hPa · 30.04 in
💨 Wind
5
km/h · Gust 9.4 km/h
↓ S
💧 Humidity
91%
Dew point 8.5°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
10°
Wind chill 9.7°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:09 AM
🌇
Sunset
07:29 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Light rain shower
13°
/
9°
💧81%
🌧12.83mm
💨11
☀️UV 0.8
Sunday
20 Sep 2026
Sunny
18°
/
8°
💧68%
🌧1.14mm
💨10
☀️UV 4.6
Monday
21 Sep 2026
Sunny
22°
/
7°
💧50%
🌧0mm
💨12
☀️UV 5.6
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