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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
11
+25
+18
11 August, sun
+25
+18
Feels like
+23
666 mmHg
46%
5.9
m/s
W
11 August, Sunday. day, 25°; night, 18°; clear
12
+25
+19
12 August, mon
+25
+19
Feels like
+23
667 mmHg
43%
6.1
m/s
SW
12 August, Monday. day, 25°; night, 19°; clear
13
+24
+18
13 August, tue
+24
+18
Feels like
+22
666 mmHg
50%
6
m/s
S
13 August, Tuesday. day, 24°; night, 18°; clear
14
+23
+17
14 August, wed
+23
+17
Feels like
+21
666 mmHg
54%
6.5
m/s
W
14 August, Wednesday. day, 23°; night, 17°; rain
15
+22
+16
15 August, thu
+22
+16
Feels like
+19
668 mmHg
50%
6.5
m/s
NW
15 August, Thursday. day, 22°; night, 16°; clear
16
August
+29
+16
16 August, fri
+29
+16
Feels like
+20
672 mmHg
47%
5.8
m/s
E
Climate normal
+23
+18
16 August, Friday. day, 29°; night, 16°; light rain
17
+31
+19
17 August, sat
+31
+19
Feels like
+23
672 mmHg
58%
6.3
m/s
E
Climate normal
+25
+19
17 August, Saturday. day, 31°; night, 19°; mostly clear
18
+30
+19
18 August, sun
+30
+19
Feels like
+24
672 mmHg
63%
5.7
m/s
E
Climate normal
+23
+17
18 August, Sunday. day, 30°; night, 19°; light rain
19
+32
+20
19 August, mon
+32
+20
Feels like
+27
673 mmHg
62%
5.3
m/s
SE
Climate normal
+24
+18
19 August, Monday. day, 32°; night, 20°; rain
20
+34
+21
20 August, tue
+34
+21
Feels like
+29
674 mmHg
45%
3.7
m/s
NW
Climate normal
+26
+20
20 August, Tuesday. day, 34°; night, 21°; mostly clear
21
+35
+24
21 August, wed
+35
+24
Feels like
+29
673 mmHg
41%
4
m/s
W
Climate normal
+26
+20
21 August, Wednesday. day, 35°; night, 24°; light rain
22
+32
+20
22 August, thu
+32
+20
Feels like
+26
674 mmHg
45%
4.7
m/s
NW
Climate normal
+25
+19
22 August, Thursday. day, 32°; night, 20°; overcast
23
+33
+21
23 August, fri
+33
+21
Feels like
+25
674 mmHg
52%
5.2
m/s
SE
Climate normal
+24
+18
23 August, Friday. day, 33°; night, 21°; heavy rain
24
+34
+24
24 August, sat
+34
+24
Feels like
+28
672 mmHg
49%
5.6
m/s
SW
Climate normal
+25
+19
24 August, Saturday. day, 34°; night, 24°; partly cloudy
25
+33
+18
25 August, sun
+33
+18
Feels like
+24
671 mmHg
36%
7.6
m/s
SW
Climate normal
+26
+19
25 August, Sunday. day, 33°; night, 18°; partly cloudy
26
+30
+17
26 August, mon
+30
+17
Feels like
+21
674 mmHg
35%
5
m/s
NW
Climate normal
+26
+19
26 August, Monday. day, 30°; night, 17°; clear
27
+33
+21
27 August, tue
+33
+21
Feels like
+24
672 mmHg
42%
6
m/s
SW
Climate normal
+26
+20
27 August, Tuesday. day, 33°; night, 21°; partly cloudy
28
+32
+25
28 August, wed
+32
+25
Feels like
+23
671 mmHg
44%
7
m/s
NW
Climate normal
+26
+21
28 August, Wednesday. day, 32°; night, 25°; partly cloudy
29
+32
+28
29 August, thu
+32
+28
Feels like
+25
657 mmHg
30%
4.2
m/s
SW
Climate normal
+27
+19
29 August, Thursday. day, 32°; night, 28°; partly cloudy
30
+31
+21
30 August, fri
+31
+21
Feels like
+24
654 mmHg
25%
4.1
m/s
NW
Climate normal
+24
+19
30 August, Friday. day, 31°; night, 21°; partly cloudy
31
+30
+21
31 August, sat
+30
+21
Feels like
+21
655 mmHg
24%
5.6
m/s
SW
Climate normal
+24
+17
31 August, Saturday. day, 30°; night, 21°; mostly clear
1 September
+28
+22
1 September, sun
+28
+22
Feels like
+20
657 mmHg
36%
3.7
m/s
SE
Climate normal
+25
+17
1 September, Sunday. day, 28°; night, 22°; clear
2
+33
+25
2 September, mon
+33
+25
Feels like
+25
658 mmHg
30%
4.5
m/s
S
Climate normal
+24
+16
2 September, Monday. day, 33°; night, 25°; clear
3
+28
+20
3 September, tue
+28
+20
Feels like
+22
656 mmHg
33%
4.5
m/s
N
Climate normal
+22
+16
3 September, Tuesday. day, 28°; night, 20°; mostly clear
4
+28
+22
4 September, wed
+28
+22
Feels like
+23
657 mmHg
66%
3.2
m/s
E
Climate normal
+23
+16
4 September, Wednesday. day, 28°; night, 22°; light rain
5
+28
+21
5 September, thu
+28
+21
Feels like
+23
656 mmHg
58%
4.1
m/s
NE
Climate normal
+21
+15
5 September, Thursday. day, 28°; night, 21°; partly cloudy
6
+30
+21
6 September, fri
+30
+21
Feels like
+23
653 mmHg
36%
4.7
m/s
S
Climate normal
+21
+15
6 September, Friday. day, 30°; night, 21°; mostly clear
7
+28
+18
7 September, sat
+28
+18
Feels like
+22
649 mmHg
38%
1.8
m/s
SW
Climate normal
+21
+16
7 September, Saturday. day, 28°; night, 18°; clear
8
+29
+12
8 September, sun
+29
+12
Feels like
+15
649 mmHg
24%
9.1
m/s
S
Climate normal
+21
+14
8 September, Sunday. day, 29°; night, 12°; mostly clear
9
+18
+12
9 September, mon
+18
+12
Feels like
+9
662 mmHg
59%
6.1
m/s
NE
Climate normal
+20
+14
9 September, Monday. day, 18°; night, 12°; partly cloudy
10
+17
+12
10 September, tue
+17
+12
Feels like
+9
659 mmHg
71%
6.1
m/s
E
Climate normal
+20
+15
10 September, Tuesday. day, 17°; night, 12°; light rain
11
+11
+8
11 September, wed
+11
+8
Feels like
+8
659 mmHg
92%
4.3
m/s
NE
Climate normal
+20
+14
11 September, Wednesday. day, 11°; night, 8°; rain
12
+10
+8
12 September, thu
+10
+8
Feels like
+5
658 mmHg
87%
4.4
m/s
NE
Climate normal
+19
+13
12 September, Thursday. day, 10°; night, 8°; light rain
13
+9
+8
13 September, fri
+9
+8
Feels like
+4
654 mmHg
89%
3.8
m/s
N
Climate normal
+18
+12
13 September, Friday. day, 9°; night, 8°; rain
14
+11
+6
14 September, sat
+11
+6
Feels like
+5
651 mmHg
77%
3.9
m/s
E
Climate normal
+18
+12
14 September, Saturday. day, 11°; night, 6°; partly cloudy
Average for 30 days
11
sunny days
9
days with precipitation
10
cloudy days
11 sunny days; 9 days with precipitation; 10 cloudy days;
50
%
air humidity
5
m/s
Wind
SW
30
mm of precipitation
(5% of annual average)
air humidity 50%; 30 millimeters of precipitation (5% of annual average); Wind south-westerly 5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
E
E
SE
NW
W
NW
SE
SW
SW
NW
SW
NW
SW
NW
SW
SE
S
N
E
NE
S
SW
S
NE
E
NE
NE
N
E
16
Average data for 10 years
17
18
19
20
21
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
Daytime temperature
Night-time temperature