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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
4
August
+34
+20
4 August, sun
+34
+20
Feels like
+27
670 mmHg
49%
6.1
m/s
E
Climate normal
+23
+18
4 August, Sunday. day, 34°; night, 20°; overcast
5
+30
+16
5 August, mon
+30
+16
Feels like
+27
674 mmHg
60%
6.2
m/s
NW
Climate normal
+25
+18
5 August, Monday. day, 30°; night, 16°; mostly clear
6
+32
+21
6 August, tue
+32
+21
Feels like
+23
674 mmHg
60%
6.2
m/s
E
Climate normal
+25
+19
6 August, Tuesday. day, 32°; night, 21°; light rain
7
+26
+15
7 August, wed
+26
+15
Feels like
+21
671 mmHg
64%
5.2
m/s
NW
Climate normal
+24
+19
7 August, Wednesday. day, 26°; night, 15°; rain
8
+20
+14
8 August, thu
+20
+14
Feels like
+17
677 mmHg
69%
3.1
m/s
NE
Climate normal
+23
+17
8 August, Thursday. day, 20°; night, 14°; rain
9
+17
+12
9 August, fri
+17
+12
Feels like
+14
677 mmHg
80%
3.6
m/s
E
Climate normal
+25
+19
9 August, Friday. day, 17°; night, 12°; thunderstorm with rain
10
+22
+16
10 August, sat
+22
+16
Feels like
+15
677 mmHg
69%
5.2
m/s
E
Climate normal
+27
+20
10 August, Saturday. day, 22°; night, 16°; heavy rain
11
+26
+18
11 August, sun
+26
+18
Feels like
+18
674 mmHg
69%
8
m/s
SE
Climate normal
+25
+18
11 August, Sunday. day, 26°; night, 18°; light rain
12
+28
+18
12 August, mon
+28
+18
Feels like
+23
671 mmHg
61%
4.5
m/s
E
Climate normal
+25
+19
12 August, Monday. day, 28°; night, 18°; rain
13
+28
+17
13 August, tue
+28
+17
Feels like
+22
670 mmHg
60%
5
m/s
NW
Climate normal
+24
+18
13 August, Tuesday. day, 28°; night, 17°; light rain
14
+28
+17
14 August, wed
+28
+17
Feels like
+21
671 mmHg
50%
5.1
m/s
NW
Climate normal
+23
+17
14 August, Wednesday. day, 28°; night, 17°; partly cloudy
15
+28
+16
15 August, thu
+28
+16
Feels like
+21
672 mmHg
49%
4.9
m/s
NW
Climate normal
+22
+16
15 August, Thursday. day, 28°; night, 16°; partly cloudy
16
+33
+24
16 August, fri
+33
+24
Feels like
+22
668 mmHg
50%
5.7
m/s
N
Climate normal
+23
+18
16 August, Friday. day, 33°; night, 24°; partly cloudy
17
+33
+27
17 August, sat
+33
+27
Feels like
+31
655 mmHg
73%
5.2
m/s
E
Climate normal
+25
+19
17 August, Saturday. day, 33°; night, 27°; mostly clear
18
+34
+24
18 August, sun
+34
+24
Feels like
+29
654 mmHg
81%
9.1
m/s
NE
Climate normal
+23
+17
18 August, Sunday. day, 34°; night, 24°; partly cloudy
19
+35
+27
19 August, mon
+35
+27
Feels like
+33
655 mmHg
61%
1.9
m/s
NW
Climate normal
+24
+18
19 August, Monday. day, 35°; night, 27°; clear
20
+34
+26
20 August, tue
+34
+26
Feels like
+31
657 mmHg
56%
4.3
m/s
SE
Climate normal
+26
+20
20 August, Tuesday. day, 34°; night, 26°; clear
21
+33
+25
21 August, wed
+33
+25
Feels like
+28
656 mmHg
40%
3.5
m/s
S
Climate normal
+26
+20
21 August, Wednesday. day, 33°; night, 25°; clear
22
+33
+25
22 August, thu
+33
+25
Feels like
+25
657 mmHg
40%
5.2
m/s
S
Climate normal
+25
+19
22 August, Thursday. day, 33°; night, 25°; clear
23
+32
+25
23 August, fri
+32
+25
Feels like
+30
657 mmHg
77%
4.9
m/s
N
Climate normal
+24
+18
23 August, Friday. day, 32°; night, 25°; clear
24
+32
+25
24 August, sat
+32
+25
Feels like
+29
655 mmHg
72%
6.1
m/s
E
Climate normal
+25
+19
24 August, Saturday. day, 32°; night, 25°; partly cloudy
25
+30
+26
25 August, sun
+30
+26
Feels like
+27
654 mmHg
57%
3.3
m/s
SE
Climate normal
+26
+19
25 August, Sunday. day, 30°; night, 26°; light rain
26
+30
+25
26 August, mon
+30
+25
Feels like
+24
655 mmHg
38%
3.2
m/s
W
Climate normal
+26
+19
26 August, Monday. day, 30°; night, 25°; light rain
27
+27
+22
27 August, tue
+27
+22
Feels like
+21
656 mmHg
36%
4.7
m/s
NW
Climate normal
+26
+20
27 August, Tuesday. day, 27°; night, 22°; partly cloudy
28
+23
+22
28 August, wed
+23
+22
Feels like
+20
656 mmHg
71%
5.8
m/s
E
Climate normal
+26
+21
28 August, Wednesday. day, 23°; night, 22°; rain
29
+31
+25
29 August, thu
+31
+25
Feels like
+25
656 mmHg
59%
5.7
m/s
SE
Climate normal
+27
+19
29 August, Thursday. day, 31°; night, 25°; clear
30
+32
+22
30 August, fri
+32
+22
Feels like
+24
654 mmHg
22%
4.1
m/s
SW
Climate normal
+24
+19
30 August, Friday. day, 32°; night, 22°; clear
31
+30
+20
31 August, sat
+30
+20
Feels like
+23
654 mmHg
31%
2.9
m/s
NW
Climate normal
+24
+17
31 August, Saturday. day, 30°; night, 20°; mostly clear
1 September
+26
+18
1 September, sun
+26
+18
Feels like
+21
657 mmHg
57%
4.1
m/s
NW
Climate normal
+25
+17
1 September, Sunday. day, 26°; night, 18°; mostly clear
2
+27
+21
2 September, mon
+27
+21
Feels like
+21
660 mmHg
66%
6
m/s
E
Climate normal
+24
+16
2 September, Monday. day, 27°; night, 21°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
3
+22
+16
3 September, tue
+22
+16
Feels like
+18
667 mmHg
41%
7
m/s
W
3 September, Tuesday. day, 22°; night, 16°; clear
4
+23
+16
4 September, wed
+23
+16
Feels like
+20
666 mmHg
43%
6
m/s
W
4 September, Wednesday. day, 23°; night, 16°; clear
5
+21
+15
5 September, thu
+21
+15
Feels like
+18
667 mmHg
46%
6.1
m/s
W
5 September, Thursday. day, 21°; night, 15°; clear
6
+21
+15
6 September, fri
+21
+15
Feels like
+18
667 mmHg
43%
6
m/s
N
6 September, Friday. day, 21°; night, 15°; clear
7
+21
+16
7 September, sat
+21
+16
Feels like
+17
667 mmHg
47%
5.6
m/s
SW
7 September, Saturday. day, 21°; night, 16°; rain
Average for 30 days
11
sunny days
11
days with precipitation
8
cloudy days
11 sunny days; 11 days with precipitation; 8 cloudy days;
58
%
air humidity
5
m/s
Wind
NW
39
mm of precipitation
(6% of annual average)
air humidity 58%; 39 millimeters of precipitation (6% of annual average); Wind north-westerly 5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
NW
E
NW
NE
E
E
SE
E
NW
NW
NW
N
E
NE
NW
SE
S
S
N
E
SE
W
NW
E
SE
SW
NW
NW
E
4
Average data for 10 years
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
September
2
Daytime temperature
Night-time temperature
