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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
August
+21
+3
29 August, thu
+21
+3
Feels like
+13
619 mmHg
42%
2.9
m/s
NW
Climate normal
+20
+12
29 August, Thursday. day, 21°; night, 3°; clear
30
+26
+5
30 August, fri
+26
+5
Feels like
+16
619 mmHg
31%
3.4
m/s
SW
Climate normal
+19
+11
30 August, Friday. day, 26°; night, 5°; clear
31
+28
+8
31 August, sat
+28
+8
Feels like
+16
619 mmHg
33%
3.1
m/s
SW
Climate normal
+18
+11
31 August, Saturday. day, 28°; night, 8°; clear
1 September
+28
+11
1 September, sun
+28
+11
Feels like
+15
619 mmHg
36%
4.6
m/s
SE
Climate normal
+18
+10
1 September, Sunday. day, 28°; night, 11°; partly cloudy
2
+26
+12
2 September, mon
+26
+12
Feels like
+14
619 mmHg
34%
5.1
m/s
S
Climate normal
+18
+11
2 September, Monday. day, 26°; night, 12°; thunderstorm with rain
3
+23
+9
3 September, tue
+23
+9
Feels like
+13
617 mmHg
52%
5.4
m/s
S
Climate normal
+17
+10
3 September, Tuesday. day, 23°; night, 9°; light rain
4
+21
+7
4 September, wed
+21
+7
Feels like
+11
621 mmHg
53%
4.2
m/s
NE
Climate normal
+14
+8
4 September, Wednesday. day, 21°; night, 7°; light rain
5
+24
+10
5 September, thu
+24
+10
Feels like
+14
622 mmHg
56%
4
m/s
W
Climate normal
+16
+9
5 September, Thursday. day, 24°; night, 10°; clear
6
+24
+10
6 September, fri
+24
+10
Feels like
+14
624 mmHg
49%
5.3
m/s
W
Climate normal
+16
+9
6 September, Friday. day, 24°; night, 10°; clear
7
+24
+10
7 September, sat
+24
+10
Feels like
+14
611 mmHg
42%
4.4
m/s
W
Climate normal
+16
+9
7 September, Saturday. day, 24°; night, 10°; mostly clear
8
+22
+9
8 September, sun
+22
+9
Feels like
+11
606 mmHg
42%
4.6
m/s
SW
Climate normal
+16
+8
8 September, Sunday. day, 22°; night, 9°; clear
9
+22
+10
9 September, mon
+22
+10
Feels like
+12
606 mmHg
43%
4.3
m/s
SW
Climate normal
+16
+9
9 September, Monday. day, 22°; night, 10°; clear
10
+26
+11
10 September, tue
+26
+11
Feels like
+16
591 mmHg
41%
2.6
m/s
NE
Climate normal
+16
+8
10 September, Tuesday. day, 26°; night, 11°; clear
11
+24
+10
11 September, wed
+24
+10
Feels like
+14
590 mmHg
41%
3.5
m/s
N
Climate normal
+17
+8
11 September, Wednesday. day, 24°; night, 10°; clear
12
+24
+9
12 September, thu
+24
+9
Feels like
+13
590 mmHg
44%
3.5
m/s
N
Climate normal
+15
+9
12 September, Thursday. day, 24°; night, 9°; clear
13
+23
+11
13 September, fri
+23
+11
Feels like
+13
590 mmHg
44%
2.9
m/s
NE
Climate normal
+14
+7
13 September, Friday. day, 23°; night, 11°; clear
14
+23
+11
14 September, sat
+23
+11
Feels like
+14
589 mmHg
37%
1.9
m/s
E
Climate normal
+14
+8
14 September, Saturday. day, 23°; night, 11°; clear
15
+25
+9
15 September, sun
+25
+9
Feels like
+16
588 mmHg
35%
1.8
m/s
SE
Climate normal
+14
+9
15 September, Sunday. day, 25°; night, 9°; clear
16
+22
+12
16 September, mon
+22
+12
Feels like
+11
591 mmHg
41%
4.6
m/s
NE
Climate normal
+14
+8
16 September, Monday. day, 22°; night, 12°; clear
17
+20
+10
17 September, tue
+20
+10
Feels like
+11
592 mmHg
43%
3.8
m/s
NE
Climate normal
+14
+8
17 September, Tuesday. day, 20°; night, 10°; clear
18
+20
+10
18 September, wed
+20
+10
Feels like
+9
590 mmHg
46%
4.5
m/s
NE
Climate normal
+15
+8
18 September, Wednesday. day, 20°; night, 10°; clear
19
+17
+7
19 September, thu
+17
+7
Feels like
+7
589 mmHg
52%
4.3
m/s
NE
Climate normal
+14
+8
19 September, Thursday. day, 17°; night, 7°; clear
20
+19
+5
20 September, fri
+19
+5
Feels like
+8
588 mmHg
35%
2.1
m/s
SE
Climate normal
+14
+8
20 September, Friday. day, 19°; night, 5°; clear
21
+20
+5
21 September, sat
+20
+5
Feels like
+10
587 mmHg
30%
2.4
m/s
NW
Climate normal
+13
+7
21 September, Saturday. day, 20°; night, 5°; clear
22
+20
+11
22 September, sun
+20
+11
Feels like
+10
587 mmHg
32%
3.6
m/s
SW
Climate normal
+14
+7
22 September, Sunday. day, 20°; night, 11°; clear
23
+20
+14
23 September, mon
+20
+14
Feels like
+10
586 mmHg
31%
5.6
m/s
S
Climate normal
+14
+8
23 September, Monday. day, 20°; night, 14°; clear
24
+10
+1
24 September, tue
+10
+1
Feels like
+5
587 mmHg
56%
5
m/s
NW
Climate normal
+15
+9
24 September, Tuesday. day, 10°; night, 1°; light rain
25
+15
+6
25 September, wed
+15
+6
Feels like
+3
587 mmHg
37%
3.4
m/s
SW
Climate normal
+15
+8
25 September, Wednesday. day, 15°; night, 6°; partly cloudy
26
+14
+7
26 September, thu
+14
+7
Feels like
+7
587 mmHg
65%
2.8
m/s
SW
Climate normal
+14
+7
26 September, Thursday. day, 14°; night, 7°; partly cloudy
27
+19
+8
27 September, fri
+19
+8
Feels like
+9
590 mmHg
53%
4
m/s
SW
Climate normal
+15
+9
27 September, Friday. day, 19°; night, 8°; mostly clear
Average data for 10 years
Next, the average data for 10 years
28
+15
+8
28 September, sat
+15
+8
Feels like
+11
599 mmHg
47%
5
m/s
S
28 September, Saturday. day, 15°; night, 8°; clear
Average for 30 days
23
sunny days
4
days with precipitation
3
cloudy days
23 sunny days; 4 days with precipitation; 3 cloudy days;
43
%
air humidity
3.8
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 3.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
SW
SW
SE
S
S
NE
W
W
W
SW
SW
NE
N
N
NE
E
SE
NE
NE
NE
NE
SE
NW
SW
S
NW
SW
SW
SW
29
Average data for 10 years
30
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
Daytime temperature
Night-time temperature
