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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
August
+27
+9
22 August, thu
+27
+9
Feels like
+17
616 mmHg
33%
3.8
m/s
S
Climate normal
+18
+11
22 August, Thursday. day, 27°; night, 9°; mostly clear
23
+24
+8
23 August, fri
+24
+8
Feels like
+14
615 mmHg
48%
8.7
m/s
S
Climate normal
+19
+11
23 August, Friday. day, 24°; night, 8°; partly cloudy
24
+20
+6
24 August, sat
+20
+6
Feels like
+9
613 mmHg
40%
9.3
m/s
S
Climate normal
+20
+12
24 August, Saturday. day, 20°; night, 6°; mostly clear
25
+16
+5
25 August, sun
+16
+5
Feels like
+6
622 mmHg
57%
4.9
m/s
SW
Climate normal
+22
+14
25 August, Sunday. day, 16°; night, 5°; light rain
26
+21
+7
26 August, mon
+21
+7
Feels like
+9
624 mmHg
41%
3.9
m/s
SW
Climate normal
+20
+13
26 August, Monday. day, 21°; night, 7°; rain
27
+24
+10
27 August, tue
+24
+10
Feels like
+11
622 mmHg
36%
6.2
m/s
SW
Climate normal
+20
+13
27 August, Tuesday. day, 24°; night, 10°; mostly clear
28
+15
+3
28 August, wed
+15
+3
Feels like
+6
618 mmHg
56%
5.4
m/s
NW
Climate normal
+20
+13
28 August, Wednesday. day, 15°; night, 3°; light rain
29
+21
+7
29 August, thu
+21
+7
Feels like
+9
626 mmHg
39%
4.1
m/s
W
Climate normal
+20
+12
29 August, Thursday. day, 21°; night, 7°; clear
30
+25
+9
30 August, fri
+25
+9
Feels like
+12
624 mmHg
35%
4.5
m/s
SW
Climate normal
+19
+11
30 August, Friday. day, 25°; night, 9°; clear
31
+26
+10
31 August, sat
+26
+10
Feels like
+14
618 mmHg
35%
4.5
m/s
SW
Climate normal
+18
+11
31 August, Saturday. day, 26°; night, 10°; clear
1 September
+22
+10
1 September, sun
+22
+10
Feels like
+13
608 mmHg
57%
4
m/s
SW
Climate normal
+18
+10
1 September, Sunday. day, 22°; night, 10°; partly cloudy
2
+21
+10
2 September, mon
+21
+10
Feels like
+12
604 mmHg
57%
4.5
m/s
SW
Climate normal
+18
+11
2 September, Monday. day, 21°; night, 10°; mostly clear
3
+23
+11
3 September, tue
+23
+11
Feels like
+14
591 mmHg
38%
1.5
m/s
NW
Climate normal
+17
+10
3 September, Tuesday. day, 23°; night, 11°; mostly clear
4
+22
+10
4 September, wed
+22
+10
Feels like
+15
589 mmHg
37%
1.9
m/s
SW
Climate normal
+14
+8
4 September, Wednesday. day, 22°; night, 10°; partly cloudy
5
+23
+10
5 September, thu
+23
+10
Feels like
+14
588 mmHg
55%
1.8
m/s
NW
Climate normal
+16
+9
5 September, Thursday. day, 23°; night, 10°; rain
6
+20
+9
6 September, fri
+20
+9
Feels like
+13
588 mmHg
55%
1.6
m/s
NW
Climate normal
+16
+9
6 September, Friday. day, 20°; night, 9°; mostly clear
7
+21
+10
7 September, sat
+21
+10
Feels like
+13
588 mmHg
48%
2.2
m/s
NW
Climate normal
+16
+9
7 September, Saturday. day, 21°; night, 10°; clear
8
+20
+10
8 September, sun
+20
+10
Feels like
+11
589 mmHg
47%
3.3
m/s
NW
Climate normal
+16
+8
8 September, Sunday. day, 20°; night, 10°; mostly clear
9
+18
+8
9 September, mon
+18
+8
Feels like
+11
590 mmHg
58%
2.6
m/s
NE
Climate normal
+16
+9
9 September, Monday. day, 18°; night, 8°; mostly clear
10
+21
+10
10 September, tue
+21
+10
Feels like
+12
588 mmHg
48%
2
m/s
SW
Climate normal
+16
+8
10 September, Tuesday. day, 21°; night, 10°; mostly clear
11
+22
+6
11 September, wed
+22
+6
Feels like
+13
589 mmHg
38%
2.5
m/s
NW
Climate normal
+17
+8
11 September, Wednesday. day, 22°; night, 6°; rain
12
+23
+9
12 September, thu
+23
+9
Feels like
+12
589 mmHg
45%
1.8
m/s
W
Climate normal
+15
+9
12 September, Thursday. day, 23°; night, 9°; rain
13
+20
+14
13 September, fri
+20
+14
Feels like
+12
584 mmHg
39%
3.8
m/s
SW
Climate normal
+14
+7
13 September, Friday. day, 20°; night, 14°; mostly clear
14
+15
+3
14 September, sat
+15
+3
Feels like
+5
580 mmHg
40%
7.3
m/s
SW
Climate normal
+14
+8
14 September, Saturday. day, 15°; night, 3°; partly cloudy
15
+4
−1
15 September, sun
+4
−1
Feels like
−2
586 mmHg
72%
4.2
m/s
N
Climate normal
+14
+9
15 September, Sunday. day, 4°; night, -1°; partly cloudy
16
+11
+4
16 September, mon
+11
+4
Feels like
−2
586 mmHg
53%
4.6
m/s
SW
Climate normal
+14
+8
16 September, Monday. day, 11°; night, 4°; clear
17
+13
+8
17 September, tue
+13
+8
Feels like
+4
584 mmHg
66%
4
m/s
SW
Climate normal
+14
+8
17 September, Tuesday. day, 13°; night, 8°; partly cloudy
18
+18
+9
18 September, wed
+18
+9
Feels like
+9
585 mmHg
53%
3.2
m/s
SW
Climate normal
+15
+8
18 September, Wednesday. day, 18°; night, 9°; clear
19
+17
+10
19 September, thu
+17
+10
Feels like
+9
582 mmHg
48%
4.6
m/s
SW
Climate normal
+14
+8
19 September, Thursday. day, 17°; night, 10°; mostly clear
20
+9
+3
20 September, fri
+9
+3
Feels like
+4
578 mmHg
84%
4.2
m/s
SW
Climate normal
+14
+8
20 September, Friday. day, 9°; night, 3°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
21
+13
+7
21 September, sat
+13
+7
Feels like
+9
598 mmHg
61%
4.3
m/s
S
21 September, Saturday. day, 13°; night, 7°; rain
Average for 30 days
19
sunny days
4
days with precipitation
7
cloudy days
19 sunny days; 4 days with precipitation; 7 cloudy days;
49
%
air humidity
4
m/s
Wind
SW
9
mm of precipitation
(1% of annual average)
air humidity 49%; 9 millimeters of precipitation (1% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
SW
SW
SW
NW
W
SW
SW
SW
SW
NW
SW
NW
NW
NW
NW
NE
SW
NW
W
SW
SW
N
SW
SW
SW
SW
SW
22
Average data for 10 years
23
24
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
Daytime temperature
Night-time temperature