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Monthly weather forecast in Spearfish
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
+23
+17
18 August, sun
+23
+17
Feels like
+20
665 mmHg
46%
7
m/s
NW
18 August, Sunday. day, 23°; night, 17°; clear
19
+24
+18
19 August, mon
+24
+18
Feels like
+21
665 mmHg
47%
6.1
m/s
SW
19 August, Monday. day, 24°; night, 18°; clear
20
+26
+20
20 August, tue
+26
+20
Feels like
+24
665 mmHg
40%
6.1
m/s
S
20 August, Tuesday. day, 26°; night, 20°; clear
21
August
+33
+20
21 August, wed
+33
+20
Feels like
+24
671 mmHg
53%
7.3
m/s
E
Climate normal
+26
+20
21 August, Wednesday. day, 33°; night, 20°; heavy rain
22
+30
+20
22 August, thu
+30
+20
Feels like
+25
673 mmHg
51%
4.8
m/s
E
Climate normal
+25
+19
22 August, Thursday. day, 30°; night, 20°; mostly clear
23
+32
+24
23 August, fri
+32
+24
Feels like
+26
671 mmHg
54%
7
m/s
SE
Climate normal
+24
+18
23 August, Friday. day, 32°; night, 24°; partly cloudy
24
+36
+26
24 August, sat
+36
+26
Feels like
+28
670 mmHg
38%
8.6
m/s
SW
Climate normal
+25
+19
24 August, Saturday. day, 36°; night, 26°; partly cloudy
25
+29
+14
25 August, sun
+29
+14
Feels like
+23
674 mmHg
42%
6.2
m/s
NW
Climate normal
+26
+19
25 August, Sunday. day, 29°; night, 14°; light rain
26
+28
+18
26 August, mon
+28
+18
Feels like
+19
679 mmHg
39%
3.7
m/s
NW
Climate normal
+26
+19
26 August, Monday. day, 28°; night, 18°; mostly clear
27
+34
+20
27 August, tue
+34
+20
Feels like
+25
675 mmHg
36%
5.6
m/s
SW
Climate normal
+26
+20
27 August, Tuesday. day, 34°; night, 20°; mostly clear
28
+30
+13
28 August, wed
+30
+13
Feels like
+22
674 mmHg
45%
5.7
m/s
NW
Climate normal
+26
+21
28 August, Wednesday. day, 30°; night, 13°; mostly clear
29
+22
+12
29 August, thu
+22
+12
Feels like
+13
674 mmHg
53%
5.9
m/s
NW
Climate normal
+27
+19
29 August, Thursday. day, 22°; night, 12°; light rain
30
+26
+14
30 August, fri
+26
+14
Feels like
+16
674 mmHg
43%
5
m/s
NW
Climate normal
+24
+19
30 August, Friday. day, 26°; night, 14°; mostly clear
31
+27
+16
31 August, sat
+27
+16
Feels like
+19
671 mmHg
51%
4.5
m/s
NW
Climate normal
+24
+17
31 August, Saturday. day, 27°; night, 16°; partly cloudy
1 September
+26
+16
1 September, sun
+26
+16
Feels like
+20
670 mmHg
57%
4.7
m/s
NW
Climate normal
+25
+17
1 September, Sunday. day, 26°; night, 16°; partly cloudy
2
+28
+22
2 September, mon
+28
+22
Feels like
+19
667 mmHg
44%
5.5
m/s
NW
Climate normal
+24
+16
2 September, Monday. day, 28°; night, 22°; mostly clear
3
+29
+19
3 September, tue
+29
+19
Feels like
+23
658 mmHg
35%
3.6
m/s
E
Climate normal
+22
+16
3 September, Tuesday. day, 29°; night, 19°; mostly clear
4
+22
+15
4 September, wed
+22
+15
Feels like
+16
658 mmHg
74%
6.4
m/s
N
Climate normal
+23
+16
4 September, Wednesday. day, 22°; night, 15°; rain
5
+14
+12
5 September, thu
+14
+12
Feels like
+9
665 mmHg
81%
5.2
m/s
E
Climate normal
+21
+15
5 September, Thursday. day, 14°; night, 12°; light rain
6
+22
+16
6 September, fri
+22
+16
Feels like
+14
659 mmHg
65%
4.1
m/s
S
Climate normal
+21
+15
6 September, Friday. day, 22°; night, 16°; mostly clear
7
+21
+15
7 September, sat
+21
+15
Feels like
+16
658 mmHg
54%
3.5
m/s
NW
Climate normal
+21
+16
7 September, Saturday. day, 21°; night, 15°; light rain
8
+19
+13
8 September, sun
+19
+13
Feels like
+13
659 mmHg
46%
3.7
m/s
E
Climate normal
+21
+14
8 September, Sunday. day, 19°; night, 13°; partly cloudy
9
+23
+16
9 September, mon
+23
+16
Feels like
+17
656 mmHg
64%
3.8
m/s
E
Climate normal
+20
+14
9 September, Monday. day, 23°; night, 16°; mostly clear
10
+21
+15
10 September, tue
+21
+15
Feels like
+16
654 mmHg
69%
3.5
m/s
E
Climate normal
+20
+15
10 September, Tuesday. day, 21°; night, 15°; light rain
11
+18
+15
11 September, wed
+18
+15
Feels like
+14
655 mmHg
85%
4
m/s
E
Climate normal
+20
+14
11 September, Wednesday. day, 18°; night, 15°; rain
12
+17
+14
12 September, thu
+17
+14
Feels like
+14
656 mmHg
87%
4.5
m/s
E
Climate normal
+19
+13
12 September, Thursday. day, 17°; night, 14°; rain
13
+19
+15
13 September, fri
+19
+15
Feels like
+16
657 mmHg
82%
3.1
m/s
SE
Climate normal
+18
+12
13 September, Friday. day, 19°; night, 15°; rain
14
+25
+19
14 September, sat
+25
+19
Feels like
+20
654 mmHg
61%
3
m/s
S
Climate normal
+18
+12
14 September, Saturday. day, 25°; night, 19°; clear
15
+23
+15
15 September, sun
+23
+15
Feels like
+14
652 mmHg
39%
7.7
m/s
NW
Climate normal
+20
+14
15 September, Sunday. day, 23°; night, 15°; partly cloudy
16
+19
+11
16 September, mon
+19
+11
Feels like
+13
659 mmHg
45%
3.7
m/s
NW
Climate normal
+20
+13
16 September, Monday. day, 19°; night, 11°; mostly clear
17
+23
+17
17 September, tue
+23
+17
Feels like
+14
658 mmHg
50%
5.3
m/s
SE
Climate normal
+20
+15
17 September, Tuesday. day, 23°; night, 17°; clear
18
+26
+18
18 September, wed
+26
+18
Feels like
+18
652 mmHg
37%
3.9
m/s
NW
Climate normal
+20
+14
18 September, Wednesday. day, 26°; night, 18°; clear
19
+22
+16
19 September, thu
+22
+16
Feels like
+15
651 mmHg
46%
5.3
m/s
NW
Climate normal
+19
+13
19 September, Thursday. day, 22°; night, 16°; clear
Average data for 10 years
Next, the average data for 10 years
20
+19
+13
20 September, fri
+19
+13
Feels like
+15
666 mmHg
40%
7
m/s
W
20 September, Friday. day, 19°; night, 13°; clear
21
+19
+13
21 September, sat
+19
+13
Feels like
+15
665 mmHg
49%
6.8
m/s
SW
21 September, Saturday. day, 19°; night, 13°; clear
Average for 30 days
17
sunny days
7
days with precipitation
6
cloudy days
17 sunny days; 7 days with precipitation; 6 cloudy days;
54
%
air humidity
5
m/s
Wind
NW
16
mm of precipitation
(3% of annual average)
air humidity 54%; 16 millimeters of precipitation (3% of annual average); Wind north-westerly 5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
E
SE
SW
NW
NW
SW
NW
NW
NW
NW
NW
NW
E
N
E
S
NW
E
E
E
E
E
SE
S
NW
NW
SE
NW
NW
21
Average data for 10 years
22
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
Daytime temperature
Night-time temperature