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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
N
Climate normal
+13
+7
21 September, Saturday. day, 15°; night, -2°; clear
22
+20
+6
22 September, sun
+20
+6
Feels like
+8
613 mmHg
39%
3.6
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 20°; night, 6°; mostly clear
23
+17
+2
23 September, mon
+17
+2
Feels like
+9
613 mmHg
51%
3.6
m/s
NW
Climate normal
+14
+8
23 September, Monday. day, 17°; night, 2°; partly cloudy
24
+23
+8
24 September, tue
+23
+8
Feels like
+13
614 mmHg
47%
2
m/s
SW
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%
7.8
m/s
S
Climate normal
+15
+8
25 September, Wednesday. day, 23°; night, 10°; clear
26
+22
+9
26 September, thu
+22
+9
Feels like
+10
616 mmHg
41%
6.8
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 22°; night, 9°; clear
27
+23
+7
27 September, fri
+23
+7
Feels like
+11
612 mmHg
40%
5.4
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 23°; night, 7°; partly cloudy
28
+20
+6
28 September, sat
+20
+6
Feels like
+8
614 mmHg
46%
4.3
m/s
SW
Climate normal
+15
+8
28 September, Saturday. day, 20°; night, 6°; partly cloudy
29
+19
+7
29 September, sun
+19
+7
Feels like
+7
616 mmHg
39%
4.9
m/s
SW
Climate normal
+13
+7
29 September, Sunday. day, 19°; night, 7°; light rain
30
+17
+5
30 September, mon
+17
+5
Feels like
+7
610 mmHg
52%
5
m/s
S
Climate normal
+11
+5
30 September, Monday. day, 17°; night, 5°; sleet
1 October
+13
+4
1 October, tue
+13
+4
Feels like
+4
607 mmHg
69%
5.7
m/s
W
Climate normal
+10
+4
1 October, Tuesday. day, 13°; night, 4°; partly cloudy
2
+17
+6
2 October, wed
+17
+6
Feels like
+6
603 mmHg
57%
5.4
m/s
SW
Climate normal
+10
+3
2 October, Wednesday. day, 17°; night, 6°; mostly clear
3
+9
+10
3 October, thu
+9
+10
Feels like
+1
599 mmHg
68%
4.7
m/s
SW
Climate normal
+6
+1
3 October, Thursday. day, 9°; night, 10°; overcast
4
+12
+1
4 October, fri
+12
+1
Feels like
+4
587 mmHg
40%
3
m/s
W
Climate normal
+6
+2
4 October, Friday. day, 12°; night, 1°; mostly clear
5
+13
+7
5 October, sat
+13
+7
Feels like
+3
584 mmHg
27%
5
m/s
SW
Climate normal
+8
+2
5 October, Saturday. day, 13°; night, 7°; mostly clear
6
+10
+2
6 October, sun
+10
+2
Feels like
+2
579 mmHg
43%
4.5
m/s
SW
Climate normal
+8
+2
6 October, Sunday. day, 10°; night, 2°; partly cloudy
7
+3
−5
7 October, mon
+3
−5
Feels like
−4
586 mmHg
62%
3.9
m/s
W
Climate normal
+7
+1
7 October, Monday. day, 3°; night, -5°; partly cloudy
8
+11
+2
8 October, tue
+11
+2
Feels like
−1
589 mmHg
35%
4
m/s
S
Climate normal
+7
+1
8 October, Tuesday. day, 11°; night, 2°; clear
9
+11
+1
9 October, wed
+11
+1
Feels like
+1
587 mmHg
28%
3.8
m/s
NW
Climate normal
+7
+2
9 October, Wednesday. day, 11°; night, 1°; mostly clear
10
+11
+3
10 October, thu
+11
+3
Feels like
+1
589 mmHg
49%
3.6
m/s
W
Climate normal
+5
−1
10 October, Thursday. day, 11°; night, 3°; clear
11
+14
+3
11 October, fri
+14
+3
Feels like
+5
592 mmHg
56%
1.9
m/s
W
Climate normal
+3
−1
11 October, Friday. day, 14°; night, 3°; clear
12
+16
+7
12 October, sat
+16
+7
Feels like
+6
591 mmHg
43%
2.4
m/s
SW
Climate normal
+6
+1
12 October, Saturday. day, 16°; night, 7°; light rain
13
+14
+5
13 October, sun
+14
+5
Feels like
+5
587 mmHg
39%
3.6
m/s
SW
Climate normal
+7
+3
13 October, Sunday. day, 14°; night, 5°; clear
14
+11
−2
14 October, mon
+11
−2
Feels like
+3
589 mmHg
54%
2.8
m/s
N
Climate normal
+7
+2
14 October, Monday. day, 11°; night, -2°; clear
15
+13
+4
15 October, tue
+13
+4
Feels like
+3
589 mmHg
38%
2.7
m/s
SW
Climate normal
+7
+3
15 October, Tuesday. day, 13°; night, 4°; clear
16
+13
+4
16 October, wed
+13
+4
Feels like
+2
589 mmHg
37%
5.7
m/s
S
Climate normal
+7
+2
16 October, Wednesday. day, 13°; night, 4°; clear
17
+13
+4
17 October, thu
+13
+4
Feels like
+5
588 mmHg
34%
1.2
m/s
N
Climate normal
+7
+2
17 October, Thursday. day, 13°; night, 4°; clear
18
+12
+1
18 October, fri
+12
+1
Feels like
+3
589 mmHg
35%
2.6
m/s
S
Climate normal
+8
+2
18 October, Friday. day, 12°; night, 1°; clear
19
+10
−1
19 October, sat
+10
−1
Feels like
0
593 mmHg
45%
3.2
m/s
S
Climate normal
+7
+1
19 October, Saturday. day, 10°; night, -1°; clear
Average for 30 days
22
sunny days
1
day with precipitation
7
cloudy days
22 sunny days; 1 day with precipitation; 7 cloudy days;
45
%
air humidity
3.9
m/s
Wind
SW
2
mm of precipitation
(1% of annual average)
air humidity 45%; 2 millimeters of precipitation (1% of annual average); Wind south-westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
SW
NW
SW
S
SW
SW
SW
SW
S
W
SW
SW
W
SW
SW
W
S
NW
W
W
SW
SW
N
SW
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