Weather Forecast for Big Sky
Montana, United States of America
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Current Weather - Big Sky: 7°C
Current Weather - Big Sky: 7°C
Montana, United States of America
Patchy rain nearby
Feels like 4°C
Wind
19 km/h SW
Humidity
60%
Pressure
1015 mb
UV Index
4
Visibility
9 km
Sunny
Monday, September 07, 2026
High
14°C
Low
3°C
Rain Chance
57%
Hourly Forecast
10°C
8°C
5°C
3°C
3°C
Day Statistics
Maximum Wind
26 km/h
Humidity
59%
Precipitation
3 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:54 AM
Sunset
07:51 PM
Moonrise
01:52 AM
Moonset
06:05 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
2.8
μg/m³
PM10
6.9
μg/m³
NO₂
1.6
μg/m³
O₃
88.2
μg/m³
SO₂
0.2
μg/m³
CO
110.1
μg/m³
Sunny
Tuesday, September 08, 2026
High
14°C
Low
0°C
Rain Chance
2%
Hourly Forecast
2°C
2°C
2°C
2°C
1°C
1°C
1°C
0°C
3°C
7°C
10°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
13°C
11°C
6°C
5°C
4°C
4°C
Day Statistics
Maximum Wind
24 km/h
Humidity
49%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:55 AM
Sunset
07:50 PM
Moonrise
03:16 AM
Moonset
06:37 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
1.6
μg/m³
PM10
3.2
μg/m³
NO₂
3
μg/m³
O₃
82.2
μg/m³
SO₂
0.3
μg/m³
CO
124.4
μg/m³
Sunny
Wednesday, September 09, 2026
High
17°C
Low
2°C
Rain Chance
1%
Hourly Forecast
3°C
3°C
3°C
3°C
3°C
3°C
3°C
2°C
5°C
10°C
13°C
15°C
16°C
17°C
17°C
17°C
17°C
17°C
17°C
14°C
9°C
8°C
7°C
7°C
Day Statistics
Maximum Wind
21 km/h
Humidity
41%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:56 AM
Sunset
07:48 PM
Moonrise
04:41 AM
Moonset
07:03 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
1.9
μg/m³
PM10
2.4
μg/m³
NO₂
3.9
μg/m³
O₃
86
μg/m³
SO₂
0.3
μg/m³
CO
120.9
μg/m³
Sunny
Thursday, September 10, 2026
High
21°C
Low
5°C
Rain Chance
4%
Hourly Forecast
6°C
6°C
6°C
6°C
5°C
6°C
6°C
6°C
7°C
12°C
15°C
18°C
20°C
21°C
21°C
21°C
21°C
20°C
18°C
18°C
15°C
10°C
8°C
8°C
Day Statistics
Maximum Wind
21 km/h
Humidity
30%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:57 AM
Sunset
07:46 PM
Moonrise
06:05 AM
Moonset
07:25 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
2.1
μg/m³
PM10
3.3
μg/m³
NO₂
2.4
μg/m³
O₃
91.3
μg/m³
SO₂
0.3
μg/m³
CO
115.2
μg/m³
Overcast
Friday, September 11, 2026
High
19°C
Low
6°C
Rain Chance
7%
Hourly Forecast
8°C
9°C
8°C
7°C
7°C
6°C
6°C
6°C
7°C
12°C
14°C
17°C
18°C
19°C
19°C
19°C
19°C
19°C
18°C
15°C
12°C
11°C
11°C
10°C
Day Statistics
Maximum Wind
22 km/h
Humidity
34%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
06:58 AM
Sunset
07:44 PM
Moonrise
07:27 AM
Moonset
07:45 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
1.7
μg/m³
PM10
2.3
μg/m³
NO₂
4.7
μg/m³
O₃
57.9
μg/m³
SO₂
0.2
μg/m³
CO
112.1
μg/m³
Overcast
Saturday, September 12, 2026
High
20°C
Low
6°C
Rain Chance
5%
Hourly Forecast
9°C
8°C
8°C
7°C
7°C
6°C
6°C
8°C
11°C
13°C
15°C
17°C
18°C
19°C
19°C
20°C
19°C
19°C
18°C
15°C
13°C
10°C
9°C
7°C
Day Statistics
Maximum Wind
26 km/h
Humidity
38%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
07:00 AM
Sunset
07:42 PM
Moonrise
08:47 AM
Moonset
08:06 PM
Moon Phase
New Moon
Moon Illumination
3%
Moderate or heavy snow showers
Sunday, September 13, 2026
High
6°C
Low
-2°C
Rain Chance
76%
Hourly Forecast
6°C
6°C
5°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
5°C
5°C
6°C
6°C
6°C
6°C
3°C
1°C
-2°C
-2°C
-2°C
Day Statistics
Maximum Wind
12 km/h
Humidity
79%
Precipitation
4 mm
UV Index
2
Visibility
8 km
Rain Chance
76%
Snow Chance
69%
Sun & Moon
Sunrise
07:01 AM
Sunset
07:40 PM
Moonrise
10:06 AM
Moonset
08:28 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Solar Radiation Data
Shortwave Radiation
272.05
Diffuse Radiation
34.65
DNI
0
GTI
0
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