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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
8
+16
+8
8 September, sun
+16
+8
Feels like
+13
599 mmHg
46%
4.4
m/s
SW
8 September, Sunday. day, 16°; night, 8°; clear
9
+16
+9
9 September, mon
+16
+9
Feels like
+13
600 mmHg
44%
4.5
m/s
W
9 September, Monday. day, 16°; night, 9°; partly cloudy
10
+16
+8
10 September, tue
+16
+8
Feels like
+12
601 mmHg
43%
4.5
m/s
W
10 September, Tuesday. day, 16°; night, 8°; rain
11
September
+20
+7
11 September, wed
+20
+7
Feels like
+10
603 mmHg
51%
6
m/s
S
Climate normal
+17
+8
11 September, Wednesday. day, 20°; night, 7°; thunderstorm with rain
12
+8
+5
12 September, thu
+8
+5
Feels like
+3
603 mmHg
84%
4.5
m/s
SW
Climate normal
+15
+9
12 September, Thursday. day, 8°; night, 5°; rain
13
+14
+3
13 September, fri
+14
+3
Feels like
+6
607 mmHg
64%
4
m/s
SW
Climate normal
+14
+7
13 September, Friday. day, 14°; night, 3°; light rain
14
+19
+6
14 September, sat
+19
+6
Feels like
+8
609 mmHg
43%
4.4
m/s
SW
Climate normal
+14
+8
14 September, Saturday. day, 19°; night, 6°; light rain
15
+21
+8
15 September, sun
+21
+8
Feels like
+8
609 mmHg
46%
7.1
m/s
S
Climate normal
+14
+9
15 September, Sunday. day, 21°; night, 8°; light rain
16
+18
+8
16 September, mon
+18
+8
Feels like
+9
609 mmHg
67%
5.4
m/s
SE
Climate normal
+14
+8
16 September, Monday. day, 18°; night, 8°; rain
17
+13
+7
17 September, tue
+13
+7
Feels like
+6
601 mmHg
80%
5.1
m/s
S
Climate normal
+14
+8
17 September, Tuesday. day, 13°; night, 7°; heavy rain
18
+10
+5
18 September, wed
+10
+5
Feels like
+3
603 mmHg
73%
4.8
m/s
SW
Climate normal
+15
+8
18 September, Wednesday. day, 10°; night, 5°; light rain
19
+12
+3
19 September, thu
+12
+3
Feels like
+3
617 mmHg
65%
4.1
m/s
SW
Climate normal
+14
+8
19 September, Thursday. day, 12°; night, 3°; rain
20
+14
+5
20 September, fri
+14
+5
Feels like
+5
616 mmHg
60%
3.9
m/s
W
Climate normal
+14
+8
20 September, Friday. day, 14°; night, 5°; partly cloudy
21
+18
+7
21 September, sat
+18
+7
Feels like
+9
607 mmHg
55%
4.1
m/s
W
Climate normal
+13
+7
21 September, Saturday. day, 18°; night, 7°; mostly clear
22
+16
+6
22 September, sun
+16
+6
Feels like
+8
601 mmHg
61%
3.9
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 16°; night, 6°; partly cloudy
23
+20
+4
23 September, mon
+20
+4
Feels like
+9
601 mmHg
59%
3.9
m/s
SW
Climate normal
+14
+8
23 September, Monday. day, 20°; night, 4°; clear
24
+14
+6
24 September, tue
+14
+6
Feels like
+4
585 mmHg
57%
4.8
m/s
SW
Climate normal
+15
+9
24 September, Tuesday. day, 14°; night, 6°; partly cloudy
25
+18
+9
25 September, wed
+18
+9
Feels like
+7
583 mmHg
49%
6.3
m/s
S
Climate normal
+15
+8
25 September, Wednesday. day, 18°; night, 9°; mostly clear
26
+7
+3
26 September, thu
+7
+3
Feels like
+4
580 mmHg
81%
2.8
m/s
NW
Climate normal
+14
+7
26 September, Thursday. day, 7°; night, 3°; rain
27
+5
−1
27 September, fri
+5
−1
Feels like
−2
584 mmHg
80%
4.4
m/s
N
Climate normal
+15
+9
27 September, Friday. day, 5°; night, -1°; sleet
28
+12
+4
28 September, sat
+12
+4
Feels like
+3
588 mmHg
58%
3.2
m/s
SW
Climate normal
+15
+8
28 September, Saturday. day, 12°; night, 4°; mostly clear
29
+17
+7
29 September, sun
+17
+7
Feels like
+9
591 mmHg
67%
1.4
m/s
SW
Climate normal
+13
+7
29 September, Sunday. day, 17°; night, 7°; clear
30
+16
+8
30 September, mon
+16
+8
Feels like
+8
588 mmHg
53%
4
m/s
S
Climate normal
+11
+5
30 September, Monday. day, 16°; night, 8°; clear
1 October
+12
+1
1 October, tue
+12
+1
Feels like
+3
582 mmHg
50%
5.7
m/s
SW
Climate normal
+10
+4
1 October, Tuesday. day, 12°; night, 1°; clear
2
+5
−1
2 October, wed
+5
−1
Feels like
−2
584 mmHg
55%
2.4
m/s
NW
Climate normal
+10
+3
2 October, Wednesday. day, 5°; night, -1°; mostly clear
3
+9
0
3 October, thu
+9
0
Feels like
+2
586 mmHg
52%
Calm m/s
Climate normal
+6
+1
3 October, Thursday. day, 9°; night, 0°; clear
4
+13
+5
4 October, fri
+13
+5
Feels like
+3
588 mmHg
34%
2.7
m/s
SW
Climate normal
+6
+2
4 October, Friday. day, 13°; night, 5°; clear
5
+12
+6
5 October, sat
+12
+6
Feels like
+4
588 mmHg
45%
3.4
m/s
SW
Climate normal
+8
+2
5 October, Saturday. day, 12°; night, 6°; partly cloudy
6
+11
+3
6 October, sun
+11
+3
Feels like
+4
587 mmHg
68%
4.4
m/s
SW
Climate normal
+8
+2
6 October, Sunday. day, 11°; night, 3°; partly cloudy
7
+14
+6
7 October, mon
+14
+6
Feels like
+6
590 mmHg
65%
1.8
m/s
SW
Climate normal
+7
+1
7 October, Monday. day, 14°; night, 6°; mostly clear
8
+16
+8
8 October, tue
+16
+8
Feels like
+7
587 mmHg
48%
4.9
m/s
SW
Climate normal
+7
+1
8 October, Tuesday. day, 16°; night, 8°; mostly clear
9
+12
+3
9 October, wed
+12
+3
Feels like
+4
586 mmHg
46%
3.3
m/s
NW
Climate normal
+7
+2
9 October, Wednesday. day, 12°; night, 3°; mostly clear
10
+8
−1
10 October, thu
+8
−1
Feels like
0
590 mmHg
44%
2.9
m/s
NE
Climate normal
+5
−1
10 October, Thursday. day, 8°; night, -1°; mostly clear
Average data for 10 years
Next, the average data for 10 years
11
+3
−1
11 October, fri
+3
−1
Feels like
−1
598 mmHg
68%
4.5
m/s
S
11 October, Friday. day, 3°; night, -1°; rain
12
+6
+1
12 October, sat
+6
+1
Feels like
+1
598 mmHg
60%
4.6
m/s
SW
12 October, Saturday. day, 6°; night, 1°; partly cloudy
Average for 30 days
14
sunny days
11
days with precipitation
5
cloudy days
14 sunny days; 11 days with precipitation; 5 cloudy days;
59
%
air humidity
4
m/s
Wind
SW
37
mm of precipitation
(4% of annual average)
air humidity 59%; 37 millimeters of precipitation (4% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
SW
SW
SW
S
SE
S
SW
SW
W
W
SW
SW
SW
S
NW
N
SW
SW
S
SW
NW
SW
SW
SW
SW
SW
NW
NE
11
Average data for 10 years
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
Daytime temperature
Night-time temperature
