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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
25
+26
+20
25 August, sun
+26
+20
Feels like
+24
670 mmHg
43%
5.5
m/s
S
25 August, Sunday. day, 26°; night, 20°; clear
26
+27
+21
26 August, mon
+27
+21
Feels like
+26
668 mmHg
43%
6.4
m/s
W
26 August, Monday. day, 27°; night, 21°; clear
27
+27
+22
27 August, tue
+27
+22
Feels like
+25
668 mmHg
43%
5.8
m/s
SW
27 August, Tuesday. day, 27°; night, 22°; clear
28
+27
+21
28 August, wed
+27
+21
Feels like
+24
668 mmHg
37%
5.9
m/s
E
28 August, Wednesday. day, 27°; night, 21°; rain
29
+27
+21
29 August, thu
+27
+21
Feels like
+24
668 mmHg
38%
7.5
m/s
SE
29 August, Thursday. day, 27°; night, 21°; partly cloudy
30
August
+30
+16
30 August, fri
+30
+16
Feels like
+22
682 mmHg
35%
4.5
m/s
E
Climate normal
+25
+19
30 August, Friday. day, 30°; night, 16°; clear
31
+31
+14
31 August, sat
+31
+14
Feels like
+24
682 mmHg
31%
6
m/s
NE
Climate normal
+25
+19
31 August, Saturday. day, 31°; night, 14°; clear
1 September
+30
+19
1 September, sun
+30
+19
Feels like
+21
683 mmHg
45%
7.3
m/s
SE
Climate normal
+26
+19
1 September, Sunday. day, 30°; night, 19°; mostly clear
2
+35
+20
2 September, mon
+35
+20
Feels like
+24
679 mmHg
27%
8.8
m/s
S
Climate normal
+25
+17
2 September, Monday. day, 35°; night, 20°; mostly clear
3
+36
+21
3 September, tue
+36
+21
Feels like
+25
676 mmHg
25%
5.1
m/s
W
Climate normal
+23
+17
3 September, Tuesday. day, 36°; night, 21°; thunderstorm
4
+28
+15
4 September, wed
+28
+15
Feels like
+19
680 mmHg
49%
8
m/s
N
Climate normal
+24
+18
4 September, Wednesday. day, 28°; night, 15°; mostly clear
5
+25
+14
5 September, thu
+25
+14
Feels like
+17
684 mmHg
52%
4.2
m/s
E
Climate normal
+22
+17
5 September, Thursday. day, 25°; night, 14°; partly cloudy
6
+28
+15
6 September, fri
+28
+15
Feels like
+19
680 mmHg
51%
5.3
m/s
SE
Climate normal
+23
+16
6 September, Friday. day, 28°; night, 15°; mostly clear
7
+29
+16
7 September, sat
+29
+16
Feels like
+19
677 mmHg
51%
6.1
m/s
S
Climate normal
+22
+17
7 September, Saturday. day, 29°; night, 16°; partly cloudy
8
+29
+16
8 September, sun
+29
+16
Feels like
+20
676 mmHg
48%
5.1
m/s
SW
Climate normal
+22
+16
8 September, Sunday. day, 29°; night, 16°; light rain
9
+27
+14
9 September, mon
+27
+14
Feels like
+18
679 mmHg
52%
6.5
m/s
W
Climate normal
+21
+16
9 September, Monday. day, 27°; night, 14°; mostly clear
10
+26
+13
10 September, tue
+26
+13
Feels like
+16
679 mmHg
47%
5.3
m/s
W
Climate normal
+21
+16
10 September, Tuesday. day, 26°; night, 13°; clear
11
+30
+25
11 September, wed
+30
+25
Feels like
+16
675 mmHg
45%
6.1
m/s
W
Climate normal
+21
+15
11 September, Wednesday. day, 30°; night, 25°; clear
12
+27
+18
12 September, thu
+27
+18
Feels like
+20
663 mmHg
32%
6
m/s
NW
Climate normal
+20
+14
12 September, Thursday. day, 27°; night, 18°; clear
13
+22
+15
13 September, fri
+22
+15
Feels like
+14
664 mmHg
51%
7.4
m/s
NE
Climate normal
+19
+13
13 September, Friday. day, 22°; night, 15°; mostly clear
14
+16
+11
14 September, sat
+16
+11
Feels like
+11
671 mmHg
67%
5.8
m/s
NE
Climate normal
+18
+13
14 September, Saturday. day, 16°; night, 11°; partly cloudy
15
+18
+10
15 September, sun
+18
+10
Feels like
+8
668 mmHg
71%
9.9
m/s
E
Climate normal
+21
+16
15 September, Sunday. day, 18°; night, 10°; light rain
16
+12
+7
16 September, mon
+12
+7
Feels like
+4
677 mmHg
53%
5.4
m/s
E
Climate normal
+21
+14
16 September, Monday. day, 12°; night, 7°; partly cloudy
17
+20
+16
17 September, tue
+20
+16
Feels like
+9
671 mmHg
57%
6
m/s
SE
Climate normal
+21
+15
17 September, Tuesday. day, 20°; night, 16°; clear
18
+14
+10
18 September, wed
+14
+10
Feels like
+7
673 mmHg
73%
7.4
m/s
N
Climate normal
+22
+15
18 September, Wednesday. day, 14°; night, 10°; partly cloudy
19
+12
+8
19 September, thu
+12
+8
Feels like
+6
681 mmHg
62%
3.6
m/s
E
Climate normal
+22
+15
19 September, Thursday. day, 12°; night, 8°; partly cloudy
20
+17
+11
20 September, fri
+17
+11
Feels like
+9
679 mmHg
61%
3.6
m/s
NE
Climate normal
+21
+15
20 September, Friday. day, 17°; night, 11°; mostly clear
21
+24
+18
21 September, sat
+24
+18
Feels like
+15
674 mmHg
60%
4.4
m/s
S
Climate normal
+20
+14
21 September, Saturday. day, 24°; night, 18°; clear
22
+28
+21
22 September, sun
+28
+21
Feels like
+21
669 mmHg
42%
2.3
m/s
SW
Climate normal
+17
+12
22 September, Sunday. day, 28°; night, 21°; clear
23
+21
+13
23 September, mon
+21
+13
Feels like
+16
668 mmHg
40%
5
m/s
NW
Climate normal
+19
+14
23 September, Monday. day, 21°; night, 13°; mostly clear
24
+12
+7
24 September, tue
+12
+7
Feels like
+6
672 mmHg
84%
6
m/s
N
Climate normal
+20
+15
24 September, Tuesday. day, 12°; night, 7°; rain
25
+17
+12
25 September, wed
+17
+12
Feels like
+8
668 mmHg
62%
5.2
m/s
S
Climate normal
+23
+17
25 September, Wednesday. day, 17°; night, 12°; mostly clear
26
+10
+4
26 September, thu
+10
+4
Feels like
+3
669 mmHg
81%
6.6
m/s
N
Climate normal
+20
+14
26 September, Thursday. day, 10°; night, 4°; rain
27
+7
+2
27 September, fri
+7
+2
Feels like
−2
676 mmHg
61%
6.1
m/s
NW
Climate normal
+19
+14
27 September, Friday. day, 7°; night, 2°; partly cloudy
28
+12
+7
28 September, sat
+12
+7
Feels like
+3
674 mmHg
50%
4.3
m/s
SE
Climate normal
+18
+13
28 September, Saturday. day, 12°; night, 7°; clear
Average for 30 days
18
sunny days
4
days with precipitation
8
cloudy days
18 sunny days; 4 days with precipitation; 8 cloudy days;
52
%
air humidity
5.8
m/s
Wind
E
5
mm of precipitation
(1% of annual average)
air humidity 52%; 5 millimeters of precipitation (1% of annual average); Wind easterly 5.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
NE
SE
S
W
N
E
SE
S
SW
W
W
W
NW
NE
NE
E
E
SE
N
E
NE
S
SW
NW
N
S
N
NW
SE
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
