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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
18
+21
+13
18 August, sun
+21
+13
Feels like
+18
599 mmHg
38%
4
m/s
SW
18 August, Sunday. day, 21°; night, 13°; clear
19
+21
+14
19 August, mon
+21
+14
Feels like
+18
599 mmHg
38%
3.7
m/s
SW
19 August, Monday. day, 21°; night, 14°; partly cloudy
20
+21
+14
20 August, tue
+21
+14
Feels like
+18
599 mmHg
40%
4.8
m/s
SW
20 August, Tuesday. day, 21°; night, 14°; clear
21
+20
+12
21 August, wed
+20
+12
Feels like
+17
599 mmHg
47%
4.5
m/s
SW
21 August, Wednesday. day, 20°; night, 12°; clear
22
+18
+11
22 August, thu
+18
+11
Feels like
+15
600 mmHg
46%
4.9
m/s
SW
22 August, Thursday. day, 18°; night, 11°; rain
23
+19
+11
23 August, fri
+19
+11
Feels like
+17
600 mmHg
44%
3.7
m/s
SW
23 August, Friday. day, 19°; night, 11°; clear
24
August
+21
+6
24 August, sat
+21
+6
Feels like
+11
614 mmHg
35%
7.5
m/s
S
Climate normal
+20
+12
24 August, Saturday. day, 21°; night, 6°; partly cloudy
25
+18
+7
25 August, sun
+18
+7
Feels like
+9
617 mmHg
49%
3.1
m/s
NE
Climate normal
+22
+14
25 August, Sunday. day, 18°; night, 7°; rain
26
+19
+5
26 August, mon
+19
+5
Feels like
+9
619 mmHg
59%
3.7
m/s
NW
Climate normal
+20
+13
26 August, Monday. day, 19°; night, 5°; rain
27
+23
+11
27 August, tue
+23
+11
Feels like
+14
618 mmHg
40%
5.6
m/s
SW
Climate normal
+20
+13
27 August, Tuesday. day, 23°; night, 11°; mostly clear
28
+15
+3
28 August, wed
+15
+3
Feels like
+5
621 mmHg
52%
6
m/s
W
Climate normal
+20
+13
28 August, Wednesday. day, 15°; night, 3°; light rain
29
+21
+6
29 August, thu
+21
+6
Feels like
+8
624 mmHg
37%
4
m/s
SW
Climate normal
+20
+12
29 August, Thursday. day, 21°; night, 6°; clear
30
+25
+8
30 August, fri
+25
+8
Feels like
+12
622 mmHg
32%
4.5
m/s
SW
Climate normal
+19
+11
30 August, Friday. day, 25°; night, 8°; clear
31
+24
+8
31 August, sat
+24
+8
Feels like
+13
623 mmHg
41%
4.4
m/s
NE
Climate normal
+18
+11
31 August, Saturday. day, 24°; night, 8°; mostly clear
1 September
+24
+8
1 September, sun
+24
+8
Feels like
+12
619 mmHg
50%
3.7
m/s
SE
Climate normal
+18
+10
1 September, Sunday. day, 24°; night, 8°; light rain
2
+24
+9
2 September, mon
+24
+9
Feels like
+13
619 mmHg
44%
4.2
m/s
SW
Climate normal
+18
+11
2 September, Monday. day, 24°; night, 9°; rain
3
+25
+10
3 September, tue
+25
+10
Feels like
+14
608 mmHg
46%
4.3
m/s
SW
Climate normal
+17
+10
3 September, Tuesday. day, 25°; night, 10°; mostly clear
4
+23
+9
4 September, wed
+23
+9
Feels like
+13
603 mmHg
50%
4.4
m/s
SW
Climate normal
+14
+8
4 September, Wednesday. day, 23°; night, 9°; mostly clear
5
+20
+7
5 September, thu
+20
+7
Feels like
+13
604 mmHg
56%
4
m/s
SW
Climate normal
+16
+9
5 September, Thursday. day, 20°; night, 7°; partly cloudy
6
+22
+7
6 September, fri
+22
+7
Feels like
+14
590 mmHg
46%
1.7
m/s
NW
Climate normal
+16
+9
6 September, Friday. day, 22°; night, 7°; mostly clear
7
+23
+7
7 September, sat
+23
+7
Feels like
+13
588 mmHg
40%
3.2
m/s
W
Climate normal
+16
+9
7 September, Saturday. day, 23°; night, 7°; clear
8
+21
+11
8 September, sun
+21
+11
Feels like
+12
586 mmHg
29%
5
m/s
SW
Climate normal
+16
+8
8 September, Sunday. day, 21°; night, 11°; partly cloudy
9
+19
+7
9 September, mon
+19
+7
Feels like
+9
584 mmHg
47%
4.9
m/s
SW
Climate normal
+16
+9
9 September, Monday. day, 19°; night, 7°; light rain
10
+20
+11
10 September, tue
+20
+11
Feels like
+8
587 mmHg
46%
3.7
m/s
SW
Climate normal
+16
+8
10 September, Tuesday. day, 20°; night, 11°; clear
11
+21
+11
11 September, wed
+21
+11
Feels like
+11
584 mmHg
29%
4.4
m/s
S
Climate normal
+17
+8
11 September, Wednesday. day, 21°; night, 11°; mostly clear
12
+14
+6
12 September, thu
+14
+6
Feels like
+6
579 mmHg
60%
5.2
m/s
S
Climate normal
+15
+9
12 September, Thursday. day, 14°; night, 6°; rain
13
+9
+7
13 September, fri
+9
+7
Feels like
+5
582 mmHg
94%
3.3
m/s
N
Climate normal
+14
+7
13 September, Friday. day, 9°; night, 7°; rain
14
+12
+6
14 September, sat
+12
+6
Feels like
+8
585 mmHg
80%
1.6
m/s
S
Climate normal
+14
+8
14 September, Saturday. day, 12°; night, 6°; light rain
15
+9
+7
15 September, sun
+9
+7
Feels like
+4
586 mmHg
80%
4.7
m/s
SW
Climate normal
+14
+9
15 September, Sunday. day, 9°; night, 7°; partly cloudy
16
+11
+4
16 September, mon
+11
+4
Feels like
+5
586 mmHg
76%
4
m/s
NW
Climate normal
+14
+8
16 September, Monday. day, 11°; night, 4°; rain
17
+13
+4
17 September, tue
+13
+4
Feels like
+2
585 mmHg
53%
5.8
m/s
SW
Climate normal
+14
+8
17 September, Tuesday. day, 13°; night, 4°; clear
18
+13
0
18 September, wed
+13
0
Feels like
+2
588 mmHg
47%
3
m/s
W
Climate normal
+15
+8
18 September, Wednesday. day, 13°; night, 0°; clear
19
+18
+9
19 September, thu
+18
+9
Feels like
+5
589 mmHg
27%
3.9
m/s
S
Climate normal
+14
+8
19 September, Thursday. day, 18°; night, 9°; clear
20
+19
+12
20 September, fri
+19
+12
Feels like
+9
587 mmHg
40%
4.2
m/s
S
Climate normal
+14
+8
20 September, Friday. day, 19°; night, 12°; mostly clear
21
+17
+9
21 September, sat
+17
+9
Feels like
+8
581 mmHg
33%
6.4
m/s
S
Climate normal
+13
+7
21 September, Saturday. day, 17°; night, 9°; partly cloudy
Average for 30 days
16
sunny days
9
days with precipitation
5
cloudy days
16 sunny days; 9 days with precipitation; 5 cloudy days;
50
%
air humidity
4.3
m/s
Wind
SW
17
mm of precipitation
(2% of annual average)
air humidity 50%; 17 millimeters of precipitation (2% of annual average); Wind south-westerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
NE
NW
SW
W
SW
SW
NE
SE
SW
SW
SW
SW
NW
W
SW
SW
SW
S
S
N
S
SW
NW
SW
W
S
S
S
E
24
Average data for 10 years
25
26
27
28
29
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
Daytime temperature
Night-time temperature