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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
+22
675 mmHg
34%
3.9
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
+20
676 mmHg
50%
7.5
m/s
E
Climate normal
+25
+17
1 September, Sunday. day, 30°; night, 22°; clear
2
+36
+20
2 September, mon
+36
+20
Feels like
+27
672 mmHg
28%
5.8
m/s
S
Climate normal
+24
+16
2 September, Monday. day, 36°; night, 20°; thunderstorm
3
+35
+20
3 September, tue
+35
+20
Feels like
+23
670 mmHg
35%
4.1
m/s
SW
Climate normal
+22
+16
3 September, Tuesday. day, 35°; night, 20°; thunderstorm
4
+27
+16
4 September, wed
+27
+16
Feels like
+20
676 mmHg
51%
5.2
m/s
N
Climate normal
+23
+16
4 September, Wednesday. day, 27°; night, 16°; rain
5
+23
+11
5 September, thu
+23
+11
Feels like
+15
679 mmHg
60%
4
m/s
NW
Climate normal
+21
+15
5 September, Thursday. day, 23°; night, 11°; light rain
6
+27
+14
6 September, fri
+27
+14
Feels like
+16
675 mmHg
52%
5.2
m/s
E
Climate normal
+21
+15
6 September, Friday. day, 27°; night, 14°; clear
7
+29
+14
7 September, sat
+29
+14
Feels like
+20
671 mmHg
45%
4.2
m/s
S
Climate normal
+21
+16
7 September, Saturday. day, 29°; night, 14°; mostly clear
8
+30
+17
8 September, sun
+30
+17
Feels like
+20
671 mmHg
39%
4.8
m/s
E
Climate normal
+21
+14
8 September, Sunday. day, 30°; night, 17°; mostly clear
9
+31
+15
9 September, mon
+31
+15
Feels like
+20
671 mmHg
41%
5.3
m/s
E
Climate normal
+20
+14
9 September, Monday. day, 31°; night, 15°; mostly clear
10
+28
+13
10 September, tue
+28
+13
Feels like
+18
669 mmHg
52%
6.5
m/s
SW
Climate normal
+20
+15
10 September, Tuesday. day, 28°; night, 13°; clear
11
+24
+13
11 September, wed
+24
+13
Feels like
+15
671 mmHg
58%
6.7
m/s
SE
Climate normal
+20
+14
11 September, Wednesday. day, 24°; night, 13°; clear
12
+21
+14
12 September, thu
+21
+14
Feels like
+12
665 mmHg
52%
5.5
m/s
E
Climate normal
+19
+13
12 September, Thursday. day, 21°; night, 14°; clear
13
+25
+18
13 September, fri
+25
+18
Feels like
+16
656 mmHg
61%
4.6
m/s
SE
Climate normal
+18
+12
13 September, Friday. day, 25°; night, 18°; clear
14
+27
+19
14 September, sat
+27
+19
Feels like
+21
655 mmHg
46%
3
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 27°; night, 19°; clear
15
+22
+16
15 September, sun
+22
+16
Feels like
+17
659 mmHg
47%
6.1
m/s
E
Climate normal
+20
+14
15 September, Sunday. day, 22°; night, 16°; partly cloudy
16
+28
+19
16 September, mon
+28
+19
Feels like
+21
655 mmHg
53%
4
m/s
S
Climate normal
+20
+13
16 September, Monday. day, 28°; night, 19°; mostly clear
17
+22
+15
17 September, tue
+22
+15
Feels like
+18
656 mmHg
60%
3.9
m/s
E
Climate normal
+20
+15
17 September, Tuesday. day, 22°; night, 15°; light rain
18
+16
+11
18 September, wed
+16
+11
Feels like
+10
660 mmHg
73%
5
m/s
E
Climate normal
+20
+14
18 September, Wednesday. day, 16°; night, 11°; light rain
19
+22
+14
19 September, thu
+22
+14
Feels like
+16
657 mmHg
66%
2.1
m/s
S
Climate normal
+19
+13
19 September, Thursday. day, 22°; night, 14°; clear
20
+19
+13
20 September, fri
+19
+13
Feels like
+13
655 mmHg
60%
5.8
m/s
E
Climate normal
+19
+13
20 September, Friday. day, 19°; night, 13°; mostly clear
21
+11
+9
21 September, sat
+11
+9
Feels like
+7
657 mmHg
78%
5
m/s
E
Climate normal
+19
+13
21 September, Saturday. day, 11°; night, 9°; light rain
22
+15
+12
22 September, sun
+15
+12
Feels like
+6
656 mmHg
74%
7.7
m/s
SE
Climate normal
+17
+12
22 September, Sunday. day, 15°; night, 12°; partly cloudy
23
+19
+13
23 September, mon
+19
+13
Feels like
+13
651 mmHg
61%
5.6
m/s
N
Climate normal
+19
+14
23 September, Monday. day, 19°; night, 13°; partly cloudy
24
+18
+12
24 September, tue
+18
+12
Feels like
+12
656 mmHg
55%
2.7
m/s
NW
Climate normal
+19
+14
24 September, Tuesday. day, 18°; night, 12°; clear
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
22
sunny days
4
days with precipitation
4
cloudy days
22 sunny days; 4 days with precipitation; 4 cloudy days;
53
%
air humidity
4.7
m/s
Wind
E
6
mm of precipitation
(1% of annual average)
air humidity 53%; 6 millimeters of precipitation (1% of annual average); Wind easterly 4.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
E
S
SW
N
NW
E
S
E
E
SW
SE
E
SE
SW
E
S
E
E
S
E
E
SE
N
NW
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