Weather Forecast for Big Sky
Montana, United States of America
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Current Weather - Big Sky: 10°C
Current Weather - Big Sky: 10°C
Montana, United States of America
Clear
Feels like 8°C
Wind
5 km/h SSW
Humidity
61%
Pressure
1020 mb
UV Index
0
Visibility
10 km
Overcast
Tuesday, August 18, 2026
High
22°C
Low
9°C
Rain Chance
17%
Hourly Forecast
15°C
19°C
20°C
19°C
20°C
20°C
22°C
22°C
21°C
17°C
16°C
13°C
11°C
10°C
10°C
Day Statistics
Maximum Wind
20 km/h
Humidity
50%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:29 AM
Sunset
08:27 PM
Moonrise
01:46 PM
Moonset
10:54 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
5.3
μg/m³
PM10
7.2
μg/m³
NO₂
4.6
μg/m³
O₃
90
μg/m³
SO₂
0.3
μg/m³
CO
102.1
μg/m³
Sunny
Wednesday, August 19, 2026
High
23°C
Low
8°C
Rain Chance
1%
Hourly Forecast
9°C
9°C
9°C
9°C
8°C
8°C
8°C
8°C
12°C
16°C
18°C
20°C
21°C
22°C
23°C
23°C
23°C
23°C
23°C
20°C
15°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
17 km/h
Humidity
40%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:31 AM
Sunset
08:26 PM
Moonrise
02:58 PM
Moonset
11:27 PM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
5.2
μg/m³
PM10
5.8
μg/m³
NO₂
3.8
μg/m³
O₃
97
μg/m³
SO₂
0.3
μg/m³
CO
113.2
μg/m³
Sunny
Thursday, August 20, 2026
High
26°C
Low
10°C
Rain Chance
1%
Hourly Forecast
11°C
11°C
11°C
10°C
10°C
10°C
10°C
10°C
14°C
18°C
21°C
23°C
24°C
25°C
26°C
26°C
26°C
26°C
26°C
24°C
18°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
16 km/h
Humidity
27%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:32 AM
Sunset
08:24 PM
Moonrise
04:05 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Air Quality
PM2.5
4
μg/m³
PM10
4.5
μg/m³
NO₂
4.8
μg/m³
O₃
88.2
μg/m³
SO₂
0.3
μg/m³
CO
112.2
μg/m³
Sunny
Friday, August 21, 2026
High
28°C
Low
12°C
Rain Chance
17%
Hourly Forecast
14°C
13°C
13°C
13°C
12°C
12°C
12°C
12°C
16°C
21°C
24°C
26°C
27°C
27°C
28°C
28°C
28°C
28°C
27°C
24°C
19°C
15°C
16°C
16°C
Day Statistics
Maximum Wind
14 km/h
Humidity
32%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
08:22 PM
Moonrise
05:04 PM
Moonset
12:08 AM
Moon Phase
First Quarter
Moon Illumination
69%
Air Quality
PM2.5
2.9
μg/m³
PM10
4
μg/m³
NO₂
4.1
μg/m³
O₃
71.8
μg/m³
SO₂
0.2
μg/m³
CO
99.6
μg/m³
Overcast
Saturday, August 22, 2026
High
26°C
Low
11°C
Rain Chance
36%
Hourly Forecast
13°C
14°C
16°C
11°C
14°C
13°C
11°C
13°C
15°C
18°C
22°C
24°C
26°C
26°C
26°C
26°C
23°C
19°C
16°C
16°C
15°C
15°C
14°C
13°C
Day Statistics
Maximum Wind
15 km/h
Humidity
49%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:34 AM
Sunset
08:21 PM
Moonrise
05:53 PM
Moonset
12:58 AM
Moon Phase
Waxing Gibbous
Moon Illumination
78%
Air Quality
PM2.5
2.8
μg/m³
PM10
4.2
μg/m³
NO₂
7.3
μg/m³
O₃
52.4
μg/m³
SO₂
0.2
μg/m³
CO
103.1
μg/m³
Sunny
Sunday, August 23, 2026
High
25°C
Low
11°C
Rain Chance
4%
Hourly Forecast
12°C
12°C
12°C
12°C
11°C
11°C
11°C
14°C
16°C
19°C
20°C
22°C
24°C
24°C
25°C
25°C
24°C
22°C
21°C
20°C
18°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
21 km/h
Humidity
41%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
08:19 PM
Moonrise
06:32 PM
Moonset
01:56 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Sunny
Monday, August 24, 2026
High
25°C
Low
10°C
Rain Chance
3%
Hourly Forecast
13°C
13°C
12°C
12°C
11°C
10°C
10°C
13°C
15°C
18°C
20°C
21°C
23°C
24°C
24°C
25°C
25°C
24°C
24°C
21°C
18°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
30%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
08:17 PM
Moonrise
07:03 PM
Moonset
02:59 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
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