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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
+25
+6
9 September, mon
+25
+6
Feels like
+10
612 mmHg
41%
6.1
m/s
W
Climate normal
+16
+9
9 September, Monday. day, 25°; night, 6°; light rain
10
September
+24
+9
10 September, tue
+24
+9
Feels like
+14
610 mmHg
37%
3.5
m/s
SW
Climate normal
+16
+8
10 September, Tuesday. day, 24°; night, 9°; partly cloudy
11
+22
+7
11 September, wed
+22
+7
Feels like
+11
603 mmHg
41%
7.3
m/s
S
Climate normal
+17
+8
11 September, Wednesday. day, 22°; night, 7°; thunderstorm with rain
12
+11
+5
12 September, thu
+11
+5
Feels like
+2
602 mmHg
77%
6.1
m/s
SW
Climate normal
+15
+9
12 September, Thursday. day, 11°; night, 5°; thunderstorm with rain
13
+12
+5
13 September, fri
+12
+5
Feels like
+3
611 mmHg
77%
5.2
m/s
SW
Climate normal
+14
+7
13 September, Friday. day, 12°; night, 5°; light rain
14
+19
+6
14 September, sat
+19
+6
Feels like
+6
615 mmHg
50%
6
m/s
S
Climate normal
+14
+8
14 September, Saturday. day, 19°; night, 6°; partly cloudy
15
+22
+9
15 September, sun
+22
+9
Feels like
+10
615 mmHg
43%
5.4
m/s
S
Climate normal
+14
+9
15 September, Sunday. day, 22°; night, 9°; partly cloudy
16
+21
+8
16 September, mon
+21
+8
Feels like
+10
610 mmHg
51%
6.2
m/s
S
Climate normal
+14
+8
16 September, Monday. day, 21°; night, 8°; partly cloudy
17
+14
+6
17 September, tue
+14
+6
Feels like
+5
603 mmHg
65%
6.9
m/s
SW
Climate normal
+14
+8
17 September, Tuesday. day, 14°; night, 6°; rain
18
+13
+5
18 September, wed
+13
+5
Feels like
+5
611 mmHg
65%
4.9
m/s
SW
Climate normal
+15
+8
18 September, Wednesday. day, 13°; night, 5°; light rain
19
+14
+6
19 September, thu
+14
+6
Feels like
+5
609 mmHg
62%
5.2
m/s
SW
Climate normal
+14
+8
19 September, Thursday. day, 14°; night, 6°; rain
20
+12
+5
20 September, fri
+12
+5
Feels like
+4
602 mmHg
67%
4.4
m/s
SW
Climate normal
+14
+8
20 September, Friday. day, 12°; night, 5°; partly cloudy
21
+16
+6
21 September, sat
+16
+6
Feels like
+6
600 mmHg
57%
4.7
m/s
SW
Climate normal
+13
+7
21 September, Saturday. day, 16°; night, 6°; mostly clear
22
+22
+8
22 September, sun
+22
+8
Feels like
+12
593 mmHg
40%
3.6
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 22°; night, 8°; clear
23
+21
+12
23 September, mon
+21
+12
Feels like
+13
589 mmHg
32%
2.4
m/s
S
Climate normal
+14
+8
23 September, Monday. day, 21°; night, 12°; partly cloudy
24
+21
+13
24 September, tue
+21
+13
Feels like
+13
586 mmHg
32%
2.7
m/s
S
Climate normal
+15
+9
24 September, Tuesday. day, 21°; night, 13°; mostly clear
25
+17
+9
25 September, wed
+17
+9
Feels like
+9
586 mmHg
53%
5
m/s
S
Climate normal
+15
+8
25 September, Wednesday. day, 17°; night, 9°; partly cloudy
26
+17
+7
26 September, thu
+17
+7
Feels like
+9
587 mmHg
57%
3.7
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 17°; night, 7°; mostly clear
27
+18
+6
27 September, fri
+18
+6
Feels like
+9
589 mmHg
50%
2.4
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 18°; night, 6°; clear
28
+20
+6
28 September, sat
+20
+6
Feels like
+11
591 mmHg
46%
1.5
m/s
SW
Climate normal
+15
+8
28 September, Saturday. day, 20°; night, 6°; clear
29
+21
+11
29 September, sun
+21
+11
Feels like
+13
591 mmHg
36%
2
m/s
S
Climate normal
+13
+7
29 September, Sunday. day, 21°; night, 11°; clear
30
+19
+11
30 September, mon
+19
+11
Feels like
+12
590 mmHg
34%
2.9
m/s
SW
Climate normal
+11
+5
30 September, Monday. day, 19°; night, 11°; clear
1 October
+18
+5
1 October, tue
+18
+5
Feels like
+11
591 mmHg
51%
1.7
m/s
NW
Climate normal
+10
+4
1 October, Tuesday. day, 18°; night, 5°; mostly clear
2
+20
+8
2 October, wed
+20
+8
Feels like
+11
590 mmHg
50%
1.2
m/s
SW
Climate normal
+10
+3
2 October, Wednesday. day, 20°; night, 8°; clear
3
+17
+10
3 October, thu
+17
+10
Feels like
+9
587 mmHg
41%
2.8
m/s
SE
Climate normal
+6
+1
3 October, Thursday. day, 17°; night, 10°; mostly clear
4
+11
+7
4 October, fri
+11
+7
Feels like
+7
585 mmHg
78%
3.3
m/s
SW
Climate normal
+6
+2
4 October, Friday. day, 11°; night, 7°; light rain
5
+12
+8
5 October, sat
+12
+8
Feels like
+7
588 mmHg
76%
2.9
m/s
W
Climate normal
+8
+2
5 October, Saturday. day, 12°; night, 8°; partly cloudy
6
+14
+8
6 October, sun
+14
+8
Feels like
+5
588 mmHg
64%
4.8
m/s
SW
Climate normal
+8
+2
6 October, Sunday. day, 14°; night, 8°; partly cloudy
7
+16
+8
7 October, mon
+16
+8
Feels like
+8
587 mmHg
53%
4.1
m/s
SW
Climate normal
+7
+1
7 October, Monday. day, 16°; night, 8°; partly cloudy
8
+15
+6
8 October, tue
+15
+6
Feels like
+8
587 mmHg
51%
3.4
m/s
SW
Climate normal
+7
+1
8 October, Tuesday. day, 15°; night, 6°; partly cloudy
9
+16
+6
9 October, wed
+16
+6
Feels like
+7
591 mmHg
52%
2.6
m/s
SW
Climate normal
+7
+2
9 October, Wednesday. day, 16°; night, 6°; mostly clear
Average data for 10 years
Next, the average data for 10 years
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
12
sunny days
7
days with precipitation
11
cloudy days
12 sunny days; 7 days with precipitation; 11 cloudy days;
53
%
air humidity
4
m/s
Wind
SW
13
mm of precipitation
(2% of annual average)
air humidity 53%; 13 millimeters of precipitation (2% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
SW
SW
S
S
S
SW
SW
SW
SW
SW
SW
S
S
S
SW
SW
SW
S
SW
NW
SW
SE
SW
W
SW
SW
SW
SW
10
Average data for 10 years
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
8
9
Daytime temperature
Night-time temperature