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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
+14
+8
20 September, fri
+14
+8
Feels like
+11
599 mmHg
50%
4
m/s
SW
20 September, Friday. day, 14°; night, 8°; partly cloudy
21
September
+15
−2
21 September, sat
+15
−2
Feels like
+7
613 mmHg
57%
2.5
m/s
NE
Climate normal
+13
+7
21 September, Saturday. day, 15°; night, -2°; mostly clear
22
+20
+6
22 September, sun
+20
+6
Feels like
+8
613 mmHg
38%
3.5
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 20°; night, 6°; mostly clear
23
+17
+3
23 September, mon
+17
+3
Feels like
+8
613 mmHg
49%
4.6
m/s
NW
Climate normal
+14
+8
23 September, Monday. day, 17°; night, 3°; partly cloudy
24
+23
+8
24 September, tue
+23
+8
Feels like
+11
614 mmHg
53%
3.1
m/s
S
Climate normal
+15
+9
24 September, Tuesday. day, 23°; night, 8°; clear
25
+23
+10
25 September, wed
+23
+10
Feels like
+10
617 mmHg
43%
7.7
m/s
S
Climate normal
+15
+8
25 September, Wednesday. day, 23°; night, 10°; clear
26
+22
+8
26 September, thu
+22
+8
Feels like
+10
616 mmHg
42%
6.7
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 22°; night, 8°; clear
27
+22
+6
27 September, fri
+22
+6
Feels like
+10
612 mmHg
41%
5.4
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 22°; night, 6°; partly cloudy
28
+20
+6
28 September, sat
+20
+6
Feels like
+8
615 mmHg
44%
4.5
m/s
SW
Climate normal
+15
+8
28 September, Saturday. day, 20°; night, 6°; sleet
29
+19
+6
29 September, sun
+19
+6
Feels like
+7
617 mmHg
37%
5
m/s
SW
Climate normal
+13
+7
29 September, Sunday. day, 19°; night, 6°; mostly clear
30
+18
+5
30 September, mon
+18
+5
Feels like
+7
610 mmHg
46%
4.5
m/s
S
Climate normal
+11
+5
30 September, Monday. day, 18°; night, 5°; partly cloudy
1 October
+14
+5
1 October, tue
+14
+5
Feels like
+4
606 mmHg
61%
5.9
m/s
SW
Climate normal
+10
+4
1 October, Tuesday. day, 14°; night, 5°; partly cloudy
2
+14
+5
2 October, wed
+14
+5
Feels like
+5
600 mmHg
55%
6.2
m/s
SW
Climate normal
+10
+3
2 October, Wednesday. day, 14°; night, 5°; partly cloudy
3
+15
+6
3 October, thu
+15
+6
Feels like
+2
597 mmHg
61%
4.8
m/s
SW
Climate normal
+6
+1
3 October, Thursday. day, 15°; night, 6°; partly cloudy
4
+16
+7
4 October, fri
+16
+7
Feels like
+9
589 mmHg
44%
2
m/s
S
Climate normal
+6
+2
4 October, Friday. day, 16°; night, 7°; clear
5
+17
+6
5 October, sat
+17
+6
Feels like
+10
587 mmHg
42%
1
m/s
NW
Climate normal
+8
+2
5 October, Saturday. day, 17°; night, 6°; partly cloudy
6
+19
+8
6 October, sun
+19
+8
Feels like
+11
591 mmHg
54%
1.5
m/s
NE
Climate normal
+8
+2
6 October, Sunday. day, 19°; night, 8°; clear
7
+17
+9
7 October, mon
+17
+9
Feels like
+10
590 mmHg
55%
1.9
m/s
SE
Climate normal
+7
+1
7 October, Monday. day, 17°; night, 9°; clear
8
+16
+9
8 October, tue
+16
+9
Feels like
+9
587 mmHg
49%
3
m/s
S
Climate normal
+7
+1
8 October, Tuesday. day, 16°; night, 9°; mostly clear
9
+14
+3
9 October, wed
+14
+3
Feels like
+8
587 mmHg
62%
2
m/s
NW
Climate normal
+7
+2
9 October, Wednesday. day, 14°; night, 3°; mostly clear
10
+15
+7
10 October, thu
+15
+7
Feels like
+7
588 mmHg
48%
2.6
m/s
S
Climate normal
+5
−1
10 October, Thursday. day, 15°; night, 7°; clear
11
+15
+8
11 October, fri
+15
+8
Feels like
+7
586 mmHg
47%
2.9
m/s
S
Climate normal
+3
−1
11 October, Friday. day, 15°; night, 8°; partly cloudy
12
+13
+8
12 October, sat
+13
+8
Feels like
+9
588 mmHg
72%
2.3
m/s
SW
Climate normal
+6
+1
12 October, Saturday. day, 13°; night, 8°; light rain
13
+11
+5
13 October, sun
+11
+5
Feels like
+4
584 mmHg
65%
4.4
m/s
S
Climate normal
+7
+3
13 October, Sunday. day, 11°; night, 5°; partly cloudy
14
+10
+4
14 October, mon
+10
+4
Feels like
+1
586 mmHg
61%
4.6
m/s
SW
Climate normal
+7
+2
14 October, Monday. day, 10°; night, 4°; mostly clear
15
+13
+5
15 October, tue
+13
+5
Feels like
+3
588 mmHg
54%
3.6
m/s
S
Climate normal
+7
+3
15 October, Tuesday. day, 13°; night, 5°; clear
16
+12
+6
16 October, wed
+12
+6
Feels like
+3
585 mmHg
45%
5.7
m/s
S
Climate normal
+7
+2
16 October, Wednesday. day, 12°; night, 6°; partly cloudy
17
+11
+1
17 October, thu
+11
+1
Feels like
+4
589 mmHg
61%
1.2
m/s
N
Climate normal
+7
+2
17 October, Thursday. day, 11°; night, 1°; partly cloudy
18
+11
+4
18 October, fri
+11
+4
Feels like
+3
591 mmHg
54%
2.6
m/s
S
Climate normal
+8
+2
18 October, Friday. day, 11°; night, 4°; clear
19
+12
+4
19 October, sat
+12
+4
Feels like
+3
589 mmHg
46%
3.2
m/s
S
Climate normal
+7
+1
19 October, Saturday. day, 12°; night, 4°; clear
Average for 30 days
17
sunny days
2
days with precipitation
11
cloudy days
17 sunny days; 2 days with precipitation; 11 cloudy days;
51
%
air humidity
3.7
m/s
Wind
S
1
mm of precipitation
(1% of annual average)
air humidity 51%; 1 millimeters of precipitation (1% of annual average); Wind southerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
SW
NW
S
S
SW
SW
SW
SW
S
SW
SW
SW
S
NW
NE
SE
S
NW
S
S
SW
S
SW
S
S
N
S
S
S
21
Average data for 10 years
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
20
Daytime temperature
Night-time temperature
