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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
1 September
+18
+10
1 September, sun
+18
+10
Feels like
+15
599 mmHg
50%
4.5
m/s
SW
1 September, Sunday. day, 18°; night, 10°; partly cloudy
2
+18
+11
2 September, mon
+18
+11
Feels like
+15
600 mmHg
43%
4
m/s
SW
2 September, Monday. day, 18°; night, 11°; partly cloudy
3
+17
+10
3 September, tue
+17
+10
Feels like
+14
600 mmHg
46%
3.7
m/s
S
3 September, Tuesday. day, 17°; night, 10°; partly cloudy
4
+14
+8
4 September, wed
+14
+8
Feels like
+11
599 mmHg
50%
4
m/s
W
4 September, Wednesday. day, 14°; night, 8°; rain
5
+16
+9
5 September, thu
+16
+9
Feels like
+12
600 mmHg
43%
4.6
m/s
SW
5 September, Thursday. day, 16°; night, 9°; clear
6
September
+26
+7
6 September, fri
+26
+7
Feels like
+17
615 mmHg
39%
3.2
m/s
SW
Climate normal
+16
+9
6 September, Friday. day, 26°; night, 7°; mostly clear
7
+27
+7
7 September, sat
+27
+7
Feels like
+17
614 mmHg
38%
3
m/s
NW
Climate normal
+16
+9
7 September, Saturday. day, 27°; night, 7°; mostly clear
8
+26
+8
8 September, sun
+26
+8
Feels like
+17
613 mmHg
38%
2.8
m/s
SW
Climate normal
+16
+8
8 September, Sunday. day, 26°; night, 8°; thunderstorm
9
+23
+10
9 September, mon
+23
+10
Feels like
+11
615 mmHg
43%
5.5
m/s
SW
Climate normal
+16
+9
9 September, Monday. day, 23°; night, 10°; thunderstorm with rain
10
+24
+9
10 September, tue
+24
+9
Feels like
+12
613 mmHg
38%
4.9
m/s
SW
Climate normal
+16
+8
10 September, Tuesday. day, 24°; night, 9°; light rain
11
+17
+7
11 September, wed
+17
+7
Feels like
+9
604 mmHg
65%
5.2
m/s
S
Climate normal
+17
+8
11 September, Wednesday. day, 17°; night, 7°; light rain
12
+12
+5
12 September, thu
+12
+5
Feels like
+6
610 mmHg
82%
4.5
m/s
SE
Climate normal
+15
+9
12 September, Thursday. day, 12°; night, 5°; rain
13
+12
+6
13 September, fri
+12
+6
Feels like
+5
614 mmHg
71%
4.5
m/s
SW
Climate normal
+14
+7
13 September, Friday. day, 12°; night, 6°; rain
14
+17
+6
14 September, sat
+17
+6
Feels like
+8
617 mmHg
58%
4.5
m/s
SW
Climate normal
+14
+8
14 September, Saturday. day, 17°; night, 6°; light rain
15
+19
+8
15 September, sun
+19
+8
Feels like
+8
614 mmHg
57%
5.2
m/s
SW
Climate normal
+14
+9
15 September, Sunday. day, 19°; night, 8°; light rain
16
+20
+6
16 September, mon
+20
+6
Feels like
+9
604 mmHg
55%
4
m/s
SW
Climate normal
+14
+8
16 September, Monday. day, 20°; night, 6°; partly cloudy
17
+18
+7
17 September, tue
+18
+7
Feels like
+8
602 mmHg
52%
5.1
m/s
SW
Climate normal
+14
+8
17 September, Tuesday. day, 18°; night, 7°; partly cloudy
18
+10
+1
18 September, wed
+10
+1
Feels like
+3
592 mmHg
54%
4.3
m/s
SW
Climate normal
+15
+8
18 September, Wednesday. day, 10°; night, 1°; mostly clear
19
+10
−1
19 September, thu
+10
−1
Feels like
0
584 mmHg
53%
2.9
m/s
W
Climate normal
+14
+8
19 September, Thursday. day, 10°; night, -1°; mostly clear
20
+15
+3
20 September, fri
+15
+3
Feels like
+4
587 mmHg
43%
1.6
m/s
W
Climate normal
+14
+8
20 September, Friday. day, 15°; night, 3°; clear
21
+17
+8
21 September, sat
+17
+8
Feels like
+7
585 mmHg
40%
4.3
m/s
SW
Climate normal
+13
+7
21 September, Saturday. day, 17°; night, 8°; mostly clear
22
+16
+9
22 September, sun
+16
+9
Feels like
+8
585 mmHg
48%
3.8
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 16°; night, 9°; partly cloudy
23
+17
+11
23 September, mon
+17
+11
Feels like
+7
584 mmHg
49%
5.6
m/s
S
Climate normal
+14
+8
23 September, Monday. day, 17°; night, 11°; partly cloudy
24
+12
+4
24 September, tue
+12
+4
Feels like
+5
582 mmHg
61%
5.5
m/s
SW
Climate normal
+15
+9
24 September, Tuesday. day, 12°; night, 4°; light rain
25
+7
+1
25 September, wed
+7
+1
Feels like
+1
582 mmHg
71%
3.4
m/s
W
Climate normal
+15
+8
25 September, Wednesday. day, 7°; night, 1°; light rain
26
+10
0
26 September, thu
+10
0
Feels like
0
585 mmHg
60%
3.8
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 10°; night, 0°; mostly clear
27
+14
+1
27 September, fri
+14
+1
Feels like
+3
590 mmHg
50%
1.7
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 14°; night, 1°; clear
28
+18
+6
28 September, sat
+18
+6
Feels like
+9
591 mmHg
47%
1.4
m/s
NW
Climate normal
+15
+8
28 September, Saturday. day, 18°; night, 6°; clear
29
+18
+5
29 September, sun
+18
+5
Feels like
+10
589 mmHg
42%
2.2
m/s
NW
Climate normal
+13
+7
29 September, Sunday. day, 18°; night, 5°; clear
30
+15
+7
30 September, mon
+15
+7
Feels like
+6
590 mmHg
48%
4.2
m/s
NW
Climate normal
+11
+5
30 September, Monday. day, 15°; night, 7°; partly cloudy
1 October
+17
+6
1 October, tue
+17
+6
Feels like
+8
591 mmHg
58%
1.8
m/s
E
Climate normal
+10
+4
1 October, Tuesday. day, 17°; night, 6°; partly cloudy
2
+20
+8
2 October, wed
+20
+8
Feels like
+10
590 mmHg
41%
2.5
m/s
SW
Climate normal
+10
+3
2 October, Wednesday. day, 20°; night, 8°; clear
3
+19
+8
3 October, thu
+19
+8
Feels like
+10
591 mmHg
47%
3.5
m/s
NW
Climate normal
+6
+1
3 October, Thursday. day, 19°; night, 8°; clear
4
+20
+9
4 October, fri
+20
+9
Feels like
+11
591 mmHg
51%
1.9
m/s
S
Climate normal
+6
+2
4 October, Friday. day, 20°; night, 9°; clear
5
+19
+7
5 October, sat
+19
+7
Feels like
+12
590 mmHg
41%
1.9
m/s
SW
Climate normal
+8
+2
5 October, Saturday. day, 19°; night, 7°; clear
Average for 30 days
15
sunny days
8
days with precipitation
7
cloudy days
15 sunny days; 8 days with precipitation; 7 cloudy days;
51
%
air humidity
3.6
m/s
Wind
SW
10
mm of precipitation
(1% of annual average)
air humidity 51%; 10 millimeters of precipitation (1% of annual average); Wind south-westerly 3.6 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
NW
SW
SW
SW
S
SE
SW
SW
SW
SW
SW
SW
W
W
SW
SW
S
SW
W
SW
SW
NW
NW
NW
E
SW
NW
S
SW
6
Average data for 10 years
7
8
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
Daytime temperature
Night-time temperature
