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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
+26
+20
21 August, wed
+26
+20
Feels like
+23
665 mmHg
38%
6.8
m/s
SW
21 August, Wednesday. day, 26°; night, 20°; clear
22
August
+30
+20
22 August, thu
+30
+20
Feels like
+25
673 mmHg
56%
4.6
m/s
W
Climate normal
+25
+19
22 August, Thursday. day, 30°; night, 20°; mostly clear
23
+32
+24
23 August, fri
+32
+24
Feels like
+27
671 mmHg
55%
6.3
m/s
SE
Climate normal
+24
+18
23 August, Friday. day, 32°; night, 24°; mostly clear
24
+35
+26
24 August, sat
+35
+26
Feels like
+28
671 mmHg
37%
7.9
m/s
SW
Climate normal
+25
+19
24 August, Saturday. day, 35°; night, 26°; overcast
25
+30
+18
25 August, sun
+30
+18
Feels like
+24
672 mmHg
44%
7.9
m/s
SW
Climate normal
+26
+19
25 August, Sunday. day, 30°; night, 18°; overcast
26
+22
+14
26 August, mon
+22
+14
Feels like
+17
678 mmHg
74%
4.1
m/s
NE
Climate normal
+26
+19
26 August, Monday. day, 22°; night, 14°; heavy rain
27
+30
+19
27 August, tue
+30
+19
Feels like
+22
676 mmHg
49%
4.6
m/s
SW
Climate normal
+26
+20
27 August, Tuesday. day, 30°; night, 19°; clear
28
+30
+13
28 August, wed
+30
+13
Feels like
+21
670 mmHg
43%
5.9
m/s
NW
Climate normal
+26
+21
28 August, Wednesday. day, 30°; night, 13°; mostly clear
29
+24
+13
29 August, thu
+24
+13
Feels like
+15
674 mmHg
47%
4.5
m/s
NW
Climate normal
+27
+19
29 August, Thursday. day, 24°; night, 13°; light rain
30
+28
+14
30 August, fri
+28
+14
Feels like
+18
674 mmHg
46%
5.3
m/s
NW
Climate normal
+24
+19
30 August, Friday. day, 28°; night, 14°; clear
31
+29
+15
31 August, sat
+29
+15
Feels like
+21
672 mmHg
45%
4.2
m/s
NE
Climate normal
+24
+17
31 August, Saturday. day, 29°; night, 15°; clear
1 September
+27
+16
1 September, sun
+27
+16
Feels like
+19
671 mmHg
51%
5.2
m/s
NE
Climate normal
+25
+17
1 September, Sunday. day, 27°; night, 16°; partly cloudy
2
+26
+15
2 September, mon
+26
+15
Feels like
+16
671 mmHg
52%
6.9
m/s
SE
Climate normal
+24
+16
2 September, Monday. day, 26°; night, 15°; partly cloudy
3
+27
+19
3 September, tue
+27
+19
Feels like
+17
668 mmHg
47%
5.6
m/s
NW
Climate normal
+22
+16
3 September, Tuesday. day, 27°; night, 19°; mostly clear
4
+23
+18
4 September, wed
+23
+18
Feels like
+16
659 mmHg
67%
7.9
m/s
E
Climate normal
+23
+16
4 September, Wednesday. day, 23°; night, 18°; rain
5
+26
+18
5 September, thu
+26
+18
Feels like
+20
655 mmHg
65%
5.5
m/s
SE
Climate normal
+21
+15
5 September, Thursday. day, 26°; night, 18°; light rain
6
+21
+15
6 September, fri
+21
+15
Feels like
+17
656 mmHg
70%
3.7
m/s
E
Climate normal
+21
+15
6 September, Friday. day, 21°; night, 15°; partly cloudy
7
+23
+19
7 September, sat
+23
+19
Feels like
+17
658 mmHg
56%
3.6
m/s
S
Climate normal
+21
+16
7 September, Saturday. day, 23°; night, 19°; light rain
8
+24
+17
8 September, sun
+24
+17
Feels like
+19
657 mmHg
47%
2
m/s
S
Climate normal
+21
+14
8 September, Sunday. day, 24°; night, 17°; partly cloudy
9
+16
+11
9 September, mon
+16
+11
Feels like
+14
659 mmHg
83%
4.8
m/s
N
Climate normal
+20
+14
9 September, Monday. day, 16°; night, 11°; partly cloudy
10
+21
+16
10 September, tue
+21
+16
Feels like
+15
659 mmHg
71%
4.1
m/s
S
Climate normal
+20
+15
10 September, Tuesday. day, 21°; night, 16°; light rain
11
+25
+17
11 September, wed
+25
+17
Feels like
+20
656 mmHg
60%
3
m/s
SW
Climate normal
+20
+14
11 September, Wednesday. day, 25°; night, 17°; rain
12
+26
+18
12 September, thu
+26
+18
Feels like
+20
657 mmHg
40%
2.6
m/s
NW
Climate normal
+19
+13
12 September, Thursday. day, 26°; night, 18°; rain
13
+27
+19
13 September, fri
+27
+19
Feels like
+20
651 mmHg
41%
4.3
m/s
S
Climate normal
+18
+12
13 September, Friday. day, 27°; night, 19°; rain
14
+28
+23
14 September, sat
+28
+23
Feels like
+20
647 mmHg
35%
4.9
m/s
S
Climate normal
+18
+12
14 September, Saturday. day, 28°; night, 23°; clear
15
+15
+4
15 September, sun
+15
+4
Feels like
+1
654 mmHg
64%
10.3
m/s
NW
Climate normal
+20
+14
15 September, Sunday. day, 15°; night, 4°; partly cloudy
16
+12
+8
16 September, mon
+12
+8
Feels like
+3
657 mmHg
52%
4
m/s
NW
Climate normal
+20
+13
16 September, Monday. day, 12°; night, 8°; mostly clear
17
+15
+9
17 September, tue
+15
+9
Feels like
+7
651 mmHg
59%
5
m/s
NW
Climate normal
+20
+15
17 September, Tuesday. day, 15°; night, 9°; partly cloudy
18
+19
+13
18 September, wed
+19
+13
Feels like
+13
653 mmHg
62%
1.5
m/s
SW
Climate normal
+20
+14
18 September, Wednesday. day, 19°; night, 13°; partly cloudy
19
+24
+16
19 September, thu
+24
+16
Feels like
+17
650 mmHg
48%
3.2
m/s
NW
Climate normal
+19
+13
19 September, Thursday. day, 24°; night, 16°; clear
20
+25
+16
20 September, fri
+25
+16
Feels like
+17
644 mmHg
34%
6.3
m/s
SW
Climate normal
+19
+13
20 September, Friday. day, 25°; night, 16°; rain
Average data for 10 years
Next, the average data for 10 years
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
15
sunny days
5
days with precipitation
10
cloudy days
15 sunny days; 5 days with precipitation; 10 cloudy days;
53
%
air humidity
5
m/s
Wind
NW
25
mm of precipitation
(4% of annual average)
air humidity 53%; 25 millimeters of precipitation (4% of annual average); Wind north-westerly 5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SE
SW
SW
NE
SW
NW
NW
NW
NE
NE
SE
NW
E
SE
E
S
S
N
S
SW
NW
S
S
NW
NW
NW
SW
NW
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
