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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
25
+26
+19
25 August, sun
+26
+19
Feels like
+24
667 mmHg
41%
5.8
m/s
S
25 August, Sunday. day, 26°; night, 19°; clear
26
+26
+19
26 August, mon
+26
+19
Feels like
+24
666 mmHg
41%
6.9
m/s
W
26 August, Monday. day, 26°; night, 19°; clear
27
+26
+20
27 August, tue
+26
+20
Feels like
+23
666 mmHg
38%
6
m/s
S
27 August, Tuesday. day, 26°; night, 20°; clear
28
+26
+21
28 August, wed
+26
+21
Feels like
+23
666 mmHg
37%
6
m/s
SE
28 August, Wednesday. day, 26°; night, 21°; clear
29
+27
+19
29 August, thu
+27
+19
Feels like
+24
666 mmHg
37%
6.5
m/s
S
29 August, Thursday. day, 27°; night, 19°; clear
30
+24
+19
30 August, fri
+24
+19
Feels like
+21
665 mmHg
46%
7.5
m/s
S
30 August, Friday. day, 24°; night, 19°; rain
31
August
+30
+14
31 August, sat
+30
+14
Feels like
+24
675 mmHg
34%
3.8
m/s
N
Climate normal
+24
+17
31 August, Saturday. day, 30°; night, 14°; clear
1 September
+30
+22
1 September, sun
+30
+22
Feels like
+18
676 mmHg
49%
7.8
m/s
E
Climate normal
+25
+17
1 September, Sunday. day, 30°; night, 22°; clear
2
+36
+21
2 September, mon
+36
+21
Feels like
+28
672 mmHg
29%
5
m/s
S
Climate normal
+24
+16
2 September, Monday. day, 36°; night, 21°; thunderstorm
3
+34
+20
3 September, tue
+34
+20
Feels like
+26
670 mmHg
31%
5.3
m/s
SW
Climate normal
+22
+16
3 September, Tuesday. day, 34°; night, 20°; thunderstorm
4
+26
+14
4 September, wed
+26
+14
Feels like
+19
675 mmHg
52%
4.5
m/s
NW
Climate normal
+23
+16
4 September, Wednesday. day, 26°; night, 14°; rain
5
+23
+10
5 September, thu
+23
+10
Feels like
+16
679 mmHg
58%
3.9
m/s
N
Climate normal
+21
+15
5 September, Thursday. day, 23°; night, 10°; light rain
6
+25
+12
6 September, fri
+25
+12
Feels like
+14
677 mmHg
46%
5.7
m/s
E
Climate normal
+21
+15
6 September, Friday. day, 25°; night, 12°; clear
7
+30
+15
7 September, sat
+30
+15
Feels like
+16
672 mmHg
43%
8.3
m/s
S
Climate normal
+21
+16
7 September, Saturday. day, 30°; night, 15°; mostly clear
8
+30
+17
8 September, sun
+30
+17
Feels like
+20
672 mmHg
43%
5.5
m/s
SW
Climate normal
+21
+14
8 September, Sunday. day, 30°; night, 17°; mostly clear
9
+30
+17
9 September, mon
+30
+17
Feels like
+21
670 mmHg
53%
6.5
m/s
S
Climate normal
+20
+14
9 September, Monday. day, 30°; night, 17°; mostly clear
10
+26
+14
10 September, tue
+26
+14
Feels like
+16
669 mmHg
53%
7.6
m/s
S
Climate normal
+20
+15
10 September, Tuesday. day, 26°; night, 14°; partly cloudy
11
+25
+14
11 September, wed
+25
+14
Feels like
+15
672 mmHg
58%
7.8
m/s
SE
Climate normal
+20
+14
11 September, Wednesday. day, 25°; night, 14°; partly cloudy
12
+25
+14
12 September, thu
+25
+14
Feels like
+17
667 mmHg
55%
5.3
m/s
NW
Climate normal
+19
+13
12 September, Thursday. day, 25°; night, 14°; mostly clear
13
+14
+9
13 September, fri
+14
+9
Feels like
+4
656 mmHg
61%
7.5
m/s
NW
Climate normal
+18
+12
13 September, Friday. day, 14°; night, 9°; rain
14
+21
+13
14 September, sat
+21
+13
Feels like
+13
657 mmHg
46%
2.7
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 21°; night, 13°; clear
15
+24
+16
15 September, sun
+24
+16
Feels like
+17
655 mmHg
47%
2.5
m/s
W
Climate normal
+20
+14
15 September, Sunday. day, 24°; night, 16°; clear
16
+27
+22
16 September, mon
+27
+22
Feels like
+21
651 mmHg
53%
3.8
m/s
S
Climate normal
+20
+13
16 September, Monday. day, 27°; night, 22°; mostly clear
17
+27
+22
17 September, tue
+27
+22
Feels like
+23
649 mmHg
60%
4.1
m/s
SW
Climate normal
+20
+15
17 September, Tuesday. day, 27°; night, 22°; mostly clear
18
+26
+20
18 September, wed
+26
+20
Feels like
+22
650 mmHg
73%
7.8
m/s
SE
Climate normal
+20
+14
18 September, Wednesday. day, 26°; night, 20°; partly cloudy
19
+25
+21
19 September, thu
+25
+21
Feels like
+20
650 mmHg
66%
6.9
m/s
S
Climate normal
+19
+13
19 September, Thursday. day, 25°; night, 21°; mostly clear
20
+22
+12
20 September, fri
+22
+12
Feels like
+15
651 mmHg
60%
5.9
m/s
W
Climate normal
+19
+13
20 September, Friday. day, 22°; night, 12°; light rain
21
+20
+16
21 September, sat
+20
+16
Feels like
+13
655 mmHg
78%
5.9
m/s
SE
Climate normal
+19
+13
21 September, Saturday. day, 20°; night, 16°; clear
22
+25
+20
22 September, sun
+25
+20
Feels like
+18
652 mmHg
74%
6.9
m/s
SE
Climate normal
+17
+12
22 September, Sunday. day, 25°; night, 20°; partly cloudy
23
+22
+11
23 September, mon
+22
+11
Feels like
+13
648 mmHg
61%
7.1
m/s
NW
Climate normal
+19
+14
23 September, Monday. day, 22°; night, 11°; rain
24
+16
+12
24 September, tue
+16
+12
Feels like
+11
654 mmHg
55%
2.4
m/s
N
Climate normal
+19
+14
24 September, Tuesday. day, 16°; night, 12°; light rain
25
+24
+18
25 September, wed
+24
+18
Feels like
+16
650 mmHg
54%
4.1
m/s
S
Climate normal
+22
+16
25 September, Wednesday. day, 24°; night, 18°; mostly clear
26
+18
+13
26 September, thu
+18
+13
Feels like
+11
655 mmHg
56%
4.7
m/s
E
Climate normal
+18
+12
26 September, Thursday. day, 18°; night, 13°; mostly clear
27
+23
+17
27 September, fri
+23
+17
Feels like
+17
655 mmHg
52%
1.9
m/s
NW
Climate normal
+18
+13
27 September, Friday. day, 23°; night, 17°; mostly clear
28
+25
+18
28 September, sat
+25
+18
Feels like
+19
657 mmHg
52%
3.5
m/s
SE
Climate normal
+18
+13
28 September, Saturday. day, 25°; night, 18°; clear
Average for 30 days
20
sunny days
5
days with precipitation
5
cloudy days
20 sunny days; 5 days with precipitation; 5 cloudy days;
54
%
air humidity
5.3
m/s
Wind
S
8
mm of precipitation
(2% of annual average)
air humidity 54%; 8 millimeters of precipitation (2% of annual average); Wind southerly 5.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
E
S
SW
NW
N
E
S
SW
S
S
SE
NW
NW
SW
W
S
SW
SE
S
W
SE
SE
NW
N
S
E
NW
SE
SE
31
Average data for 10 years
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
29
Daytime temperature
Night-time temperature