Weather Forecast for Big Sky
Montana, United States of America
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Current Weather - Big Sky: 13°C
Current Weather - Big Sky: 13°C
Montana, United States of America
Sunny
Feels like 9°C
Wind
12 km/h S
Humidity
25%
Pressure
1013 mb
UV Index
4
Visibility
10 km
Sunny
Monday, October 19, 2026
High
13°C
Low
0°C
Rain Chance
2%
Hourly Forecast
3°C
3°C
Day Statistics
Maximum Wind
13 km/h
Humidity
45%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:46 AM
Sunset
06:33 PM
Moonrise
03:57 PM
Moonset
12:47 AM
Moon Phase
First Quarter
Moon Illumination
68%
Air Quality
PM2.5
4.2
μg/m³
PM10
6.7
μg/m³
NO₂
1.5
μg/m³
O₃
89.8
μg/m³
SO₂
0.3
μg/m³
CO
116.8
μg/m³
Overcast
Tuesday, October 20, 2026
High
13°C
Low
2°C
Rain Chance
9%
Hourly Forecast
2°C
3°C
3°C
3°C
3°C
3°C
3°C
2°C
2°C
5°C
8°C
10°C
11°C
12°C
13°C
13°C
13°C
12°C
9°C
7°C
5°C
5°C
4°C
4°C
Day Statistics
Maximum Wind
7 km/h
Humidity
53%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
07:47 AM
Sunset
06:31 PM
Moonrise
04:17 PM
Moonset
01:53 AM
Moon Phase
Waxing Gibbous
Moon Illumination
77%
Air Quality
PM2.5
3.7
μg/m³
PM10
7.1
μg/m³
NO₂
1.7
μg/m³
O₃
78.6
μg/m³
SO₂
0.3
μg/m³
CO
118
μg/m³
Sunny
Wednesday, October 21, 2026
High
13°C
Low
2°C
Rain Chance
10%
Hourly Forecast
4°C
3°C
3°C
3°C
3°C
3°C
3°C
3°C
2°C
5°C
8°C
10°C
11°C
12°C
13°C
13°C
13°C
12°C
9°C
6°C
5°C
5°C
4°C
4°C
Day Statistics
Maximum Wind
16 km/h
Humidity
66%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
07:49 AM
Sunset
06:30 PM
Moonrise
04:34 PM
Moonset
02:58 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Air Quality
PM2.5
2.9
μg/m³
PM10
3.9
μg/m³
NO₂
1.8
μg/m³
O₃
73.5
μg/m³
SO₂
0.2
μg/m³
CO
121.4
μg/m³
Sunny
Thursday, October 22, 2026
High
15°C
Low
3°C
Rain Chance
6%
Hourly Forecast
4°C
3°C
3°C
3°C
3°C
3°C
3°C
3°C
3°C
5°C
9°C
12°C
13°C
14°C
15°C
15°C
14°C
13°C
11°C
8°C
7°C
7°C
6°C
6°C
Day Statistics
Maximum Wind
13 km/h
Humidity
64%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
07:50 AM
Sunset
06:28 PM
Moonrise
04:51 PM
Moonset
04:03 AM
Moon Phase
Waxing Gibbous
Moon Illumination
92%
Air Quality
PM2.5
2
μg/m³
PM10
2.3
μg/m³
NO₂
1.8
μg/m³
O₃
66.9
μg/m³
SO₂
0.2
μg/m³
CO
125
μg/m³
Heavy snow
Friday, October 23, 2026
High
6°C
Low
-2°C
Rain Chance
93%
Hourly Forecast
6°C
6°C
5°C
5°C
4°C
3°C
4°C
4°C
5°C
5°C
4°C
5°C
6°C
5°C
4°C
3°C
2°C
1°C
1°C
0°C
0°C
-1°C
-1°C
-2°C
Day Statistics
Maximum Wind
9 km/h
Humidity
91%
Precipitation
24 mm
UV Index
2
Visibility
6 km
Rain Chance
93%
Snow Chance
81%
Sun & Moon
Sunrise
07:51 AM
Sunset
06:26 PM
Moonrise
05:08 PM
Moonset
05:09 AM
Moon Phase
Full Moon
Moon Illumination
97%
Air Quality
PM2.5
1.2
μg/m³
PM10
1.4
μg/m³
NO₂
1.8
μg/m³
O₃
58.3
μg/m³
SO₂
0.1
μg/m³
CO
125.1
μg/m³
Sunny
Saturday, October 24, 2026
High
1°C
Low
-9°C
Rain Chance
47%
Hourly Forecast
-3°C
-4°C
-5°C
-6°C
-6°C
-7°C
-9°C
-8°C
-7°C
-6°C
-4°C
-2°C
-1°C
0°C
1°C
1°C
0°C
-1°C
-2°C
-3°C
-4°C
-6°C
-6°C
-6°C
Day Statistics
Maximum Wind
10 km/h
Humidity
88%
Precipitation
0 mm
UV Index
2
Visibility
7 km
Rain Chance
47%
Snow Chance
67%
Sun & Moon
Sunrise
07:53 AM
Sunset
06:25 PM
Moonrise
05:26 PM
Moonset
06:16 AM
Moon Phase
Full Moon
Moon Illumination
100%
Sunny
Sunday, October 25, 2026
High
6°C
Low
-7°C
Rain Chance
14%
Hourly Forecast
-6°C
-6°C
-6°C
-6°C
-7°C
-7°C
-7°C
-6°C
-5°C
-4°C
-1°C
1°C
3°C
4°C
5°C
6°C
4°C
3°C
1°C
-0°C
-2°C
-4°C
-4°C
-5°C
Day Statistics
Maximum Wind
10 km/h
Humidity
88%
Precipitation
0 mm
UV Index
3
Visibility
6 km
Rain Chance
14%
Snow Chance
25%
Sun & Moon
Sunrise
07:54 AM
Sunset
06:23 PM
Moonrise
05:46 PM
Moonset
07:26 AM
Moon Phase
Full Moon
Moon Illumination
100%
Solar Radiation Data
Shortwave Radiation
612.94
Diffuse Radiation
100.96
DNI
908.03
GTI
104.17
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