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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
September
+27
+8
8 September, sun
+27
+8
Feels like
+16
613 mmHg
38%
4
m/s
SW
Climate normal
+16
+8
8 September, Sunday. day, 27°; night, 8°; thunderstorm
9
+25
+7
9 September, mon
+25
+7
Feels like
+15
613 mmHg
35%
5.4
m/s
W
Climate normal
+16
+9
9 September, Monday. day, 25°; night, 7°; mostly clear
10
+24
+9
10 September, tue
+24
+9
Feels like
+15
610 mmHg
36%
3.8
m/s
SW
Climate normal
+16
+8
10 September, Tuesday. day, 24°; night, 9°; overcast
11
+22
+8
11 September, wed
+22
+8
Feels like
+10
605 mmHg
45%
6.6
m/s
S
Climate normal
+17
+8
11 September, Wednesday. day, 22°; night, 8°; light rain
12
+11
+5
12 September, thu
+11
+5
Feels like
+3
602 mmHg
72%
6.3
m/s
S
Climate normal
+15
+9
12 September, Thursday. day, 11°; night, 5°; rain
13
+11
+5
13 September, fri
+11
+5
Feels like
+3
607 mmHg
76%
4.7
m/s
SW
Climate normal
+14
+7
13 September, Friday. day, 11°; night, 5°; rain
14
+17
+6
14 September, sat
+17
+6
Feels like
+6
615 mmHg
48%
6.1
m/s
S
Climate normal
+14
+8
14 September, Saturday. day, 17°; night, 6°; partly cloudy
15
+21
+8
15 September, sun
+21
+8
Feels like
+9
616 mmHg
43%
6.3
m/s
S
Climate normal
+14
+9
15 September, Sunday. day, 21°; night, 8°; mostly clear
16
+21
+8
16 September, mon
+21
+8
Feels like
+8
616 mmHg
45%
7.2
m/s
S
Climate normal
+14
+8
16 September, Monday. day, 21°; night, 8°; rain
17
+15
+6
17 September, tue
+15
+6
Feels like
+5
612 mmHg
55%
6.4
m/s
SW
Climate normal
+14
+8
17 September, Tuesday. day, 15°; night, 6°; light rain
18
+14
+6
18 September, wed
+14
+6
Feels like
+7
602 mmHg
65%
3.9
m/s
SW
Climate normal
+15
+8
18 September, Wednesday. day, 14°; night, 6°; partly cloudy
19
+10
+6
19 September, thu
+10
+6
Feels like
+4
600 mmHg
70%
3.8
m/s
SW
Climate normal
+14
+8
19 September, Thursday. day, 10°; night, 6°; partly cloudy
20
+18
+9
20 September, fri
+18
+9
Feels like
+7
598 mmHg
54%
4.7
m/s
SW
Climate normal
+14
+8
20 September, Friday. day, 18°; night, 9°; mostly clear
21
+14
+7
21 September, sat
+14
+7
Feels like
+9
588 mmHg
51%
2.6
m/s
SW
Climate normal
+13
+7
21 September, Saturday. day, 14°; night, 7°; partly cloudy
22
+17
+10
22 September, sun
+17
+10
Feels like
+9
587 mmHg
53%
2.7
m/s
S
Climate normal
+14
+7
22 September, Sunday. day, 17°; night, 10°; mostly clear
23
+14
+8
23 September, mon
+14
+8
Feels like
+7
581 mmHg
66%
2.9
m/s
SE
Climate normal
+14
+8
23 September, Monday. day, 14°; night, 8°; rain
24
+7
+5
24 September, tue
+7
+5
Feels like
+3
584 mmHg
98%
2.7
m/s
W
Climate normal
+15
+9
24 September, Tuesday. day, 7°; night, 5°; rain
25
+10
+6
25 September, wed
+10
+6
Feels like
+3
586 mmHg
83%
4.5
m/s
SW
Climate normal
+15
+8
25 September, Wednesday. day, 10°; night, 6°; partly cloudy
26
+11
+4
26 September, thu
+11
+4
Feels like
+3
584 mmHg
64%
6.1
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 11°; night, 4°; partly cloudy
27
+16
+10
27 September, fri
+16
+10
Feels like
+5
587 mmHg
65%
5.6
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 16°; night, 10°; clear
28
+17
+8
28 September, sat
+17
+8
Feels like
+9
586 mmHg
50%
5.6
m/s
SW
Climate normal
+15
+8
28 September, Saturday. day, 17°; night, 8°; clear
29
+19
+10
29 September, sun
+19
+10
Feels like
+11
589 mmHg
63%
1.8
m/s
SW
Climate normal
+13
+7
29 September, Sunday. day, 19°; night, 10°; clear
30
+21
+12
30 September, mon
+21
+12
Feels like
+14
587 mmHg
46%
2.6
m/s
S
Climate normal
+11
+5
30 September, Monday. day, 21°; night, 12°; mostly clear
1 October
+13
+8
1 October, tue
+13
+8
Feels like
+7
585 mmHg
72%
4
m/s
NW
Climate normal
+10
+4
1 October, Tuesday. day, 13°; night, 8°; rain
2
+10
+6
2 October, wed
+10
+6
Feels like
+5
590 mmHg
83%
4.2
m/s
NE
Climate normal
+10
+3
2 October, Wednesday. day, 10°; night, 6°; light rain
3
+14
+5
3 October, thu
+14
+5
Feels like
+6
591 mmHg
73%
1.9
m/s
SE
Climate normal
+6
+1
3 October, Thursday. day, 14°; night, 5°; mostly clear
4
+16
+6
4 October, fri
+16
+6
Feels like
+8
590 mmHg
54%
2.2
m/s
SW
Climate normal
+6
+2
4 October, Friday. day, 16°; night, 6°; clear
5
+16
+5
5 October, sat
+16
+5
Feels like
+7
590 mmHg
47%
2.3
m/s
SW
Climate normal
+8
+2
5 October, Saturday. day, 16°; night, 5°; clear
6
+16
+6
6 October, sun
+16
+6
Feels like
+8
591 mmHg
57%
2.1
m/s
SW
Climate normal
+8
+2
6 October, Sunday. day, 16°; night, 6°; clear
7
+15
+5
7 October, mon
+15
+5
Feels like
+7
589 mmHg
52%
2.1
m/s
W
Climate normal
+7
+1
7 October, Monday. day, 15°; night, 5°; clear
Average data for 10 years
Next, the average data for 10 years
8
+7
+1
8 October, tue
+7
+1
Feels like
+2
600 mmHg
62%
4.5
m/s
SW
8 October, Tuesday. day, 7°; night, 1°; rain
9
+7
+2
9 October, wed
+7
+2
Feels like
+3
597 mmHg
61%
5
m/s
S
9 October, Wednesday. day, 7°; night, 2°; partly cloudy
10
+5
−1
10 October, thu
+5
−1
Feels like
0
596 mmHg
62%
5.9
m/s
SW
10 October, Thursday. day, 5°; night, -1°; clear
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
13
sunny days
9
days with precipitation
8
cloudy days
13 sunny days; 9 days with precipitation; 8 cloudy days;
59
%
air humidity
4.2
m/s
Wind
SW
26
mm of precipitation
(3% of annual average)
air humidity 59%; 26 millimeters of precipitation (3% of annual average); Wind south-westerly 4.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
W
SW
S
S
SW
S
S
S
SW
SW
SW
SW
SW
S
SE
W
SW
SW
SW
SW
SW
S
NW
NE
SE
SW
SW
SW
W
8
Average data for 10 years
9
10
11
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
Daytime temperature
Night-time temperature
