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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
25
+22
+14
25 August, sun
+22
+14
Feels like
+19
601 mmHg
37%
4.6
m/s
S
25 August, Sunday. day, 22°; night, 14°; rain
26
+20
+13
26 August, mon
+20
+13
Feels like
+17
601 mmHg
40%
4.4
m/s
SW
26 August, Monday. day, 20°; night, 13°; rain
27
+20
+13
27 August, tue
+20
+13
Feels like
+17
600 mmHg
41%
4.6
m/s
S
27 August, Tuesday. day, 20°; night, 13°; partly cloudy
28
+20
+13
28 August, wed
+20
+13
Feels like
+17
600 mmHg
47%
4.8
m/s
S
28 August, Wednesday. day, 20°; night, 13°; rain
29
+20
+12
29 August, thu
+20
+12
Feels like
+18
599 mmHg
46%
4.5
m/s
S
29 August, Thursday. day, 20°; night, 12°; partly cloudy
30
August
+26
+5
30 August, fri
+26
+5
Feels like
+16
616 mmHg
32%
3.2
m/s
SW
Climate normal
+19
+11
30 August, Friday. day, 26°; night, 5°; clear
31
+28
+6
31 August, sat
+28
+6
Feels like
+17
617 mmHg
33%
3
m/s
SW
Climate normal
+18
+11
31 August, Saturday. day, 28°; night, 6°; clear
1 September
+29
+8
1 September, sun
+29
+8
Feels like
+18
616 mmHg
32%
4.3
m/s
S
Climate normal
+18
+10
1 September, Sunday. day, 29°; night, 8°; mostly clear
2
+26
+12
2 September, mon
+26
+12
Feels like
+15
614 mmHg
34%
4.7
m/s
SW
Climate normal
+18
+11
2 September, Monday. day, 26°; night, 12°; overcast
3
+22
+8
3 September, tue
+22
+8
Feels like
+12
619 mmHg
55%
6.2
m/s
S
Climate normal
+17
+10
3 September, Tuesday. day, 22°; night, 8°; light rain
4
+19
+7
4 September, wed
+19
+7
Feels like
+11
621 mmHg
71%
3.4
m/s
E
Climate normal
+14
+8
4 September, Wednesday. day, 19°; night, 7°; clear
5
+24
+9
5 September, thu
+24
+9
Feels like
+12
621 mmHg
51%
3.9
m/s
SE
Climate normal
+16
+9
5 September, Thursday. day, 24°; night, 9°; clear
6
+25
+9
6 September, fri
+25
+9
Feels like
+14
618 mmHg
39%
4.3
m/s
S
Climate normal
+16
+9
6 September, Friday. day, 25°; night, 9°; partly cloudy
7
+24
+9
7 September, sat
+24
+9
Feels like
+13
620 mmHg
43%
4.1
m/s
S
Climate normal
+16
+9
7 September, Saturday. day, 24°; night, 9°; light rain
8
+26
+10
8 September, sun
+26
+10
Feels like
+14
621 mmHg
45%
5.5
m/s
S
Climate normal
+16
+8
8 September, Sunday. day, 26°; night, 10°; mostly clear
9
+25
+11
9 September, mon
+25
+11
Feels like
+15
613 mmHg
43%
4.1
m/s
NW
Climate normal
+16
+9
9 September, Monday. day, 25°; night, 11°; clear
10
+24
+10
10 September, tue
+24
+10
Feels like
+13
605 mmHg
48%
3.7
m/s
SW
Climate normal
+16
+8
10 September, Tuesday. day, 24°; night, 10°; mostly clear
11
+25
+14
11 September, wed
+25
+14
Feels like
+13
601 mmHg
39%
5.5
m/s
SW
Climate normal
+17
+8
11 September, Wednesday. day, 25°; night, 14°; mostly clear
12
+17
+10
12 September, thu
+17
+10
Feels like
+7
581 mmHg
38%
7.1
m/s
W
Climate normal
+15
+9
12 September, Thursday. day, 17°; night, 10°; partly cloudy
13
+13
+3
13 September, fri
+13
+3
Feels like
+3
581 mmHg
37%
4.8
m/s
W
Climate normal
+14
+7
13 September, Friday. day, 13°; night, 3°; mostly clear
14
+15
+4
14 September, sat
+15
+4
Feels like
+2
584 mmHg
48%
5
m/s
SW
Climate normal
+14
+8
14 September, Saturday. day, 15°; night, 4°; mostly clear
15
+9
−1
15 September, sun
+9
−1
Feels like
0
585 mmHg
42%
4.7
m/s
W
Climate normal
+14
+9
15 September, Sunday. day, 9°; night, -1°; clear
16
+14
+5
16 September, mon
+14
+5
Feels like
+1
586 mmHg
43%
3.5
m/s
SW
Climate normal
+14
+8
16 September, Monday. day, 14°; night, 5°; clear
17
+16
+3
17 September, tue
+16
+3
Feels like
+4
584 mmHg
23%
4.1
m/s
SW
Climate normal
+14
+8
17 September, Tuesday. day, 16°; night, 3°; clear
18
+12
+3
18 September, wed
+12
+3
Feels like
+3
587 mmHg
56%
3
m/s
N
Climate normal
+15
+8
18 September, Wednesday. day, 12°; night, 3°; mostly clear
19
+19
+2
19 September, thu
+19
+2
Feels like
+8
591 mmHg
42%
2.2
m/s
W
Climate normal
+14
+8
19 September, Thursday. day, 19°; night, 2°; clear
20
+21
+7
20 September, fri
+21
+7
Feels like
+11
592 mmHg
41%
1.3
m/s
W
Climate normal
+14
+8
20 September, Friday. day, 21°; night, 7°; clear
21
+21
+12
21 September, sat
+21
+12
Feels like
+11
589 mmHg
28%
3.2
m/s
SW
Climate normal
+13
+7
21 September, Saturday. day, 21°; night, 12°; clear
22
+19
+9
22 September, sun
+19
+9
Feels like
+11
586 mmHg
27%
4.2
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 19°; night, 9°; partly cloudy
23
+13
+6
23 September, mon
+13
+6
Feels like
+5
586 mmHg
55%
5
m/s
W
Climate normal
+14
+8
23 September, Monday. day, 13°; night, 6°; partly cloudy
24
+13
+4
24 September, tue
+13
+4
Feels like
+4
588 mmHg
49%
2.2
m/s
NW
Climate normal
+15
+9
24 September, Tuesday. day, 13°; night, 4°; clear
25
+17
+9
25 September, wed
+17
+9
Feels like
+5
584 mmHg
40%
5.5
m/s
SW
Climate normal
+15
+8
25 September, Wednesday. day, 17°; night, 9°; mostly clear
26
+6
−2
26 September, thu
+6
−2
Feels like
−1
583 mmHg
77%
5.5
m/s
N
Climate normal
+14
+7
26 September, Thursday. day, 6°; night, -2°; light rain
27
+10
+1
27 September, fri
+10
+1
Feels like
−1
589 mmHg
41%
1.6
m/s
NW
Climate normal
+15
+9
27 September, Friday. day, 10°; night, 1°; clear
28
+16
+6
28 September, sat
+16
+6
Feels like
+3
587 mmHg
25%
4.1
m/s
SW
Climate normal
+15
+8
28 September, Saturday. day, 16°; night, 6°; clear
Average for 30 days
22
sunny days
3
days with precipitation
5
cloudy days
22 sunny days; 3 days with precipitation; 5 cloudy days;
43
%
air humidity
4.1
m/s
Wind
SW
3
mm of precipitation
(1% of annual average)
air humidity 43%; 3 millimeters of precipitation (1% of annual average); Wind south-westerly 4.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
S
SW
S
E
SE
S
S
S
NW
SW
SW
W
W
SW
W
SW
SW
N
W
W
SW
SW
W
NW
SW
N
NW
SW
30
Average data for 10 years
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Daytime temperature
Night-time temperature