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Monthly weather forecast in Rapid City
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
September
+30
+18
15 September, sun
+30
+18
Feels like
+20
676 mmHg
42%
6
m/s
E
Climate normal
+21
+16
15 September, Sunday. day, 30°; night, 18°; light rain
16
+31
+17
16 September, mon
+31
+17
Feels like
+24
673 mmHg
51%
6.8
m/s
SE
Climate normal
+21
+14
16 September, Monday. day, 31°; night, 17°; partly cloudy
17
+32
+16
17 September, tue
+32
+16
Feels like
+21
669 mmHg
40%
8.3
m/s
W
Climate normal
+21
+15
17 September, Tuesday. day, 32°; night, 16°; light rain
18
+27
+16
18 September, wed
+27
+16
Feels like
+18
669 mmHg
41%
6.6
m/s
SW
Climate normal
+22
+15
18 September, Wednesday. day, 27°; night, 16°; partly cloudy
19
+26
+15
19 September, thu
+26
+15
Feels like
+17
674 mmHg
48%
5.6
m/s
NW
Climate normal
+22
+15
19 September, Thursday. day, 26°; night, 15°; light rain
20
+20
+14
20 September, fri
+20
+14
Feels like
+14
674 mmHg
62%
4.5
m/s
NW
Climate normal
+21
+15
20 September, Friday. day, 20°; night, 14°; heavy rain
21
+19
+12
21 September, sat
+19
+12
Feels like
+13
672 mmHg
71%
4.8
m/s
NW
Climate normal
+20
+14
21 September, Saturday. day, 19°; night, 12°; rain
22
+18
+9
22 September, sun
+18
+9
Feels like
+9
677 mmHg
58%
5.4
m/s
NW
Climate normal
+17
+12
22 September, Sunday. day, 18°; night, 9°; rain
23
+18
+9
23 September, mon
+18
+9
Feels like
+8
677 mmHg
60%
7.4
m/s
W
Climate normal
+19
+14
23 September, Monday. day, 18°; night, 9°; mostly clear
24
+21
+11
24 September, tue
+21
+11
Feels like
+11
677 mmHg
54%
6.2
m/s
SW
Climate normal
+20
+15
24 September, Tuesday. day, 21°; night, 11°; clear
25
+26
+14
25 September, wed
+26
+14
Feels like
+12
678 mmHg
50%
7.2
m/s
W
Climate normal
+23
+17
25 September, Wednesday. day, 26°; night, 14°; mostly clear
26
+25
+16
26 September, thu
+25
+16
Feels like
+13
678 mmHg
47%
7.3
m/s
NW
Climate normal
+20
+14
26 September, Thursday. day, 25°; night, 16°; mostly clear
27
+25
+17
27 September, fri
+25
+17
Feels like
+18
673 mmHg
43%
3.7
m/s
NW
Climate normal
+19
+14
27 September, Friday. day, 25°; night, 17°; clear
28
+19
+10
28 September, sat
+19
+10
Feels like
+14
675 mmHg
57%
4.1
m/s
NW
Climate normal
+18
+13
28 September, Saturday. day, 19°; night, 10°; clear
29
+17
+10
29 September, sun
+17
+10
Feels like
+11
671 mmHg
60%
3.6
m/s
E
Climate normal
+21
+14
29 September, Sunday. day, 17°; night, 10°; clear
30
+19
+11
30 September, mon
+19
+11
Feels like
+13
669 mmHg
63%
2.1
m/s
NW
Climate normal
+18
+12
30 September, Monday. day, 19°; night, 11°; partly cloudy
1 October
+20
+14
1 October, tue
+20
+14
Feels like
+14
672 mmHg
62%
1.9
m/s
E
Climate normal
+16
+10
1 October, Tuesday. day, 20°; night, 14°; clear
2
+23
+16
2 October, wed
+23
+16
Feels like
+17
671 mmHg
53%
3.3
m/s
SW
Climate normal
+15
+10
2 October, Wednesday. day, 23°; night, 16°; clear
3
+25
+14
3 October, thu
+25
+14
Feels like
+18
668 mmHg
46%
1.9
m/s
SW
Climate normal
+14
+10
3 October, Thursday. day, 25°; night, 14°; mostly clear
4
+25
+16
4 October, fri
+25
+16
Feels like
+19
670 mmHg
46%
2.8
m/s
E
Climate normal
+13
+9
4 October, Friday. day, 25°; night, 16°; clear
5
+23
+18
5 October, sat
+23
+18
Feels like
+16
669 mmHg
65%
9.3
m/s
E
Climate normal
+13
+9
5 October, Saturday. day, 23°; night, 18°; partly cloudy
6
+21
+14
6 October, sun
+21
+14
Feels like
+11
666 mmHg
28%
7.2
m/s
SW
Climate normal
+14
+9
6 October, Sunday. day, 21°; night, 14°; clear
7
+20
+14
7 October, mon
+20
+14
Feels like
+15
669 mmHg
51%
2.3
m/s
NW
Climate normal
+13
+8
7 October, Monday. day, 20°; night, 14°; mostly clear
8
+16
+9
8 October, tue
+16
+9
Feels like
+8
668 mmHg
83%
9.2
m/s
NW
Climate normal
+11
+6
8 October, Tuesday. day, 16°; night, 9°; rain
9
+12
+8
9 October, wed
+12
+8
Feels like
+4
676 mmHg
59%
5.7
m/s
NW
Climate normal
+12
+9
9 October, Wednesday. day, 12°; night, 8°; clear
10
+16
+12
10 October, thu
+16
+12
Feels like
+8
668 mmHg
51%
3.3
m/s
S
Climate normal
+14
+8
10 October, Thursday. day, 16°; night, 12°; clear
11
+10
+7
11 October, fri
+10
+7
Feels like
+1
672 mmHg
47%
8.4
m/s
NW
Climate normal
+8
+4
11 October, Friday. day, 10°; night, 7°; mostly clear
12
+16
+11
12 October, sat
+16
+11
Feels like
+7
667 mmHg
51%
5.1
m/s
E
Climate normal
+11
+7
12 October, Saturday. day, 16°; night, 11°; mostly clear
13
+16
+11
13 October, sun
+16
+11
Feels like
+10
665 mmHg
60%
4.1
m/s
NW
Climate normal
+13
+8
13 October, Sunday. day, 16°; night, 11°; partly cloudy
14
+9
+5
14 October, mon
+9
+5
Feels like
0
669 mmHg
78%
8.1
m/s
NW
Climate normal
+15
+10
14 October, Monday. day, 9°; night, 5°; light rain
Average data for 10 years
Next, the average data for 10 years
15
+13
+8
15 October, tue
+13
+8
Feels like
+8
670 mmHg
47%
6.9
m/s
NW
15 October, Tuesday. day, 13°; night, 8°; rain
16
+13
+9
16 October, wed
+13
+9
Feels like
+8
668 mmHg
51%
7.3
m/s
W
16 October, Wednesday. day, 13°; night, 9°; partly cloudy
17
+14
+10
17 October, thu
+14
+10
Feels like
+8
667 mmHg
49%
7.3
m/s
NW
17 October, Thursday. day, 14°; night, 10°; clear
18
+14
+10
18 October, fri
+14
+10
Feels like
+9
667 mmHg
44%
7
m/s
NW
18 October, Friday. day, 14°; night, 10°; partly cloudy
19
+14
+9
19 October, sat
+14
+9
Feels like
+9
667 mmHg
56%
6.3
m/s
NW
19 October, Saturday. day, 14°; night, 9°; partly cloudy
Average for 30 days
17
sunny days
8
days with precipitation
5
cloudy days
17 sunny days; 8 days with precipitation; 5 cloudy days;
54
%
air humidity
5.4
m/s
Wind
NW
32
mm of precipitation
(5% of annual average)
air humidity 54%; 32 millimeters of precipitation (5% of annual average); Wind north-westerly 5.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
SE
W
SW
NW
NW
NW
NW
W
SW
W
NW
NW
NW
E
NW
E
SW
SW
E
E
SW
NW
NW
NW
S
NW
E
NW
NW
15
Average data for 10 years
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
14
Daytime temperature
Night-time temperature
