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Monthly weather forecast in Big Sky
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
15
+14
+9
15 September, sun
+14
+9
Feels like
+11
599 mmHg
57%
4.5
m/s
S
15 September, Sunday. day, 14°; night, 9°; clear
16
+14
+8
16 September, mon
+14
+8
Feels like
+12
599 mmHg
60%
4.6
m/s
S
16 September, Monday. day, 14°; night, 8°; rain
17
+14
+8
17 September, tue
+14
+8
Feels like
+11
599 mmHg
56%
4.5
m/s
SW
17 September, Tuesday. day, 14°; night, 8°; rain
18
+15
+8
18 September, wed
+15
+8
Feels like
+11
598 mmHg
50%
5.5
m/s
SW
18 September, Wednesday. day, 15°; night, 8°; partly cloudy
19
+14
+8
19 September, thu
+14
+8
Feels like
+10
599 mmHg
50%
4.6
m/s
SW
19 September, Thursday. day, 14°; night, 8°; clear
20
September
+18
0
20 September, fri
+18
0
Feels like
+7
608 mmHg
50%
8.1
m/s
W
Climate normal
+14
+8
20 September, Friday. day, 18°; night, 0°; partly cloudy
21
+15
−2
21 September, sat
+15
−2
Feels like
+5
613 mmHg
57%
3.2
m/s
N
Climate normal
+13
+7
21 September, Saturday. day, 15°; night, -2°; partly cloudy
22
+20
+6
22 September, sun
+20
+6
Feels like
+7
613 mmHg
39%
4.1
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 20°; night, 6°; mostly clear
23
+15
+4
23 September, mon
+15
+4
Feels like
+5
613 mmHg
58%
5
m/s
NW
Climate normal
+14
+8
23 September, Monday. day, 15°; night, 4°; light rain
24
+20
+7
24 September, tue
+20
+7
Feels like
+8
619 mmHg
57%
3.5
m/s
E
Climate normal
+15
+9
24 September, Tuesday. day, 20°; night, 7°; mostly clear
25
+22
+9
25 September, wed
+22
+9
Feels like
+9
617 mmHg
50%
6.5
m/s
S
Climate normal
+15
+8
25 September, Wednesday. day, 22°; night, 9°; mostly clear
26
+21
+8
26 September, thu
+21
+8
Feels like
+10
617 mmHg
46%
5.5
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 21°; night, 8°; light rain
27
+20
+7
27 September, fri
+20
+7
Feels like
+8
617 mmHg
46%
5.8
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 20°; night, 7°; light rain
28
+20
+6
28 September, sat
+20
+6
Feels like
+7
623 mmHg
44%
5
m/s
S
Climate normal
+15
+8
28 September, Saturday. day, 20°; night, 6°; heavy rain
29
+16
+7
29 September, sun
+16
+7
Feels like
+5
616 mmHg
44%
6.7
m/s
SW
Climate normal
+13
+7
29 September, Sunday. day, 16°; night, 7°; sleet
30
+15
+7
30 September, mon
+15
+7
Feels like
+6
609 mmHg
59%
3.7
m/s
SW
Climate normal
+11
+5
30 September, Monday. day, 15°; night, 7°; partly cloudy
1 October
+22
+8
1 October, tue
+22
+8
Feels like
+11
603 mmHg
53%
4.4
m/s
SW
Climate normal
+10
+4
1 October, Tuesday. day, 22°; night, 8°; clear
2
+20
+11
2 October, wed
+20
+11
Feels like
+9
598 mmHg
49%
4.9
m/s
SW
Climate normal
+10
+3
2 October, Wednesday. day, 20°; night, 11°; mostly clear
3
+20
+12
3 October, thu
+20
+12
Feels like
+10
584 mmHg
36%
6.5
m/s
S
Climate normal
+6
+1
3 October, Thursday. day, 20°; night, 12°; clear
4
+18
+11
4 October, fri
+18
+11
Feels like
+7
583 mmHg
28%
7.7
m/s
SW
Climate normal
+6
+2
4 October, Friday. day, 18°; night, 11°; clear
5
+16
+7
5 October, sat
+16
+7
Feels like
+6
582 mmHg
30%
6.8
m/s
SW
Climate normal
+8
+2
5 October, Saturday. day, 16°; night, 7°; mostly clear
6
+7
+3
6 October, sun
+7
+3
Feels like
+1
583 mmHg
72%
4.4
m/s
N
Climate normal
+8
+2
6 October, Sunday. day, 7°; night, 3°; light rain
7
+13
+3
7 October, mon
+13
+3
Feels like
+5
582 mmHg
60%
3.1
m/s
W
Climate normal
+7
+1
7 October, Monday. day, 13°; night, 3°; mostly clear
8
+12
+8
8 October, tue
+12
+8
Feels like
+2
583 mmHg
38%
5.1
m/s
SW
Climate normal
+7
+1
8 October, Tuesday. day, 12°; night, 8°; mostly clear
9
+6
0
9 October, wed
+6
0
Feels like
+1
582 mmHg
70%
4.6
m/s
NW
Climate normal
+7
+2
9 October, Wednesday. day, 6°; night, 0°; light rain
10
+4
−5
10 October, thu
+4
−5
Feels like
−5
588 mmHg
47%
3.6
m/s
NW
Climate normal
+5
−1
10 October, Thursday. day, 4°; night, -5°; clear
11
+9
0
11 October, fri
+9
0
Feels like
−3
591 mmHg
32%
2.9
m/s
W
Climate normal
+3
−1
11 October, Friday. day, 9°; night, 0°; clear
12
+13
+2
12 October, sat
+13
+2
Feels like
+3
592 mmHg
44%
1.9
m/s
SW
Climate normal
+6
+1
12 October, Saturday. day, 13°; night, 2°; clear
13
+14
+5
13 October, sun
+14
+5
Feels like
+5
590 mmHg
46%
2.1
m/s
SW
Climate normal
+7
+3
13 October, Sunday. day, 14°; night, 5°; clear
14
+14
+5
14 October, mon
+14
+5
Feels like
+5
587 mmHg
40%
3.1
m/s
SW
Climate normal
+7
+2
14 October, Monday. day, 14°; night, 5°; clear
15
+14
+5
15 October, tue
+14
+5
Feels like
+6
586 mmHg
38%
2.6
m/s
SW
Climate normal
+7
+3
15 October, Tuesday. day, 14°; night, 5°; clear
16
+13
+6
16 October, wed
+13
+6
Feels like
+5
587 mmHg
40%
2.1
m/s
SW
Climate normal
+7
+2
16 October, Wednesday. day, 13°; night, 6°; clear
17
+15
+7
17 October, thu
+15
+7
Feels like
+6
588 mmHg
36%
3.3
m/s
SW
Climate normal
+7
+2
17 October, Thursday. day, 15°; night, 7°; clear
18
+16
+8
18 October, fri
+16
+8
Feels like
+6
586 mmHg
32%
4.9
m/s
S
Climate normal
+8
+2
18 October, Friday. day, 16°; night, 8°; clear
19
+11
+4
19 October, sat
+11
+4
Feels like
+4
587 mmHg
43%
4.3
m/s
NW
Climate normal
+7
+1
19 October, Saturday. day, 11°; night, 4°; mostly clear
Average for 30 days
20
sunny days
7
days with precipitation
3
cloudy days
20 sunny days; 7 days with precipitation; 3 cloudy days;
46
%
air humidity
4.5
m/s
Wind
SW
16
mm of precipitation
(2% of annual average)
air humidity 46%; 16 millimeters of precipitation (2% of annual average); Wind south-westerly 4.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
N
SW
NW
E
S
SW
SW
S
SW
SW
SW
SW
S
SW
SW
N
W
SW
NW
NW
W
SW
SW
SW
SW
SW
SW
S
NW
20
Average data for 10 years
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Daytime temperature
Night-time temperature
