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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
8
+21
+14
8 September, sun
+21
+14
Feels like
+18
666 mmHg
44%
5.9
m/s
SW
8 September, Sunday. day, 21°; night, 14°; rain
9
+20
+14
9 September, mon
+20
+14
Feels like
+17
667 mmHg
51%
6.6
m/s
W
9 September, Monday. day, 20°; night, 14°; partly cloudy
10
+20
+15
10 September, tue
+20
+15
Feels like
+17
668 mmHg
49%
6
m/s
W
10 September, Tuesday. day, 20°; night, 15°; clear
11
+20
+14
11 September, wed
+20
+14
Feels like
+17
668 mmHg
50%
5.9
m/s
W
11 September, Wednesday. day, 20°; night, 14°; partly cloudy
12
+19
+13
12 September, thu
+19
+13
Feels like
+15
666 mmHg
51%
6.4
m/s
S
12 September, Thursday. day, 19°; night, 13°; partly cloudy
13
+18
+12
13 September, fri
+18
+12
Feels like
+14
667 mmHg
57%
6
m/s
NW
13 September, Friday. day, 18°; night, 12°; clear
14
September
+30
+13
14 September, sat
+30
+13
Feels like
+18
667 mmHg
40%
5.8
m/s
S
Climate normal
+18
+12
14 September, Saturday. day, 30°; night, 13°; light rain
15
+30
+17
15 September, sun
+30
+17
Feels like
+17
668 mmHg
42%
7.9
m/s
E
Climate normal
+20
+14
15 September, Sunday. day, 30°; night, 17°; partly cloudy
16
+30
+19
16 September, mon
+30
+19
Feels like
+22
666 mmHg
54%
5.2
m/s
S
Climate normal
+20
+13
16 September, Monday. day, 30°; night, 19°; rain
17
+31
+15
17 September, tue
+31
+15
Feels like
+21
663 mmHg
43%
6.9
m/s
SW
Climate normal
+20
+15
17 September, Tuesday. day, 31°; night, 15°; light rain
18
+25
+14
18 September, wed
+25
+14
Feels like
+15
663 mmHg
44%
9.6
m/s
SW
Climate normal
+20
+14
18 September, Wednesday. day, 25°; night, 14°; partly cloudy
19
+23
+13
19 September, thu
+23
+13
Feels like
+16
669 mmHg
55%
4.6
m/s
W
Climate normal
+19
+13
19 September, Thursday. day, 23°; night, 13°; rain
20
+20
+12
20 September, fri
+20
+12
Feels like
+15
669 mmHg
67%
3.5
m/s
E
Climate normal
+19
+13
20 September, Friday. day, 20°; night, 12°; rain
21
+20
+10
21 September, sat
+20
+10
Feels like
+12
667 mmHg
66%
5
m/s
NW
Climate normal
+19
+13
21 September, Saturday. day, 20°; night, 10°; light rain
22
+18
+8
22 September, sun
+18
+8
Feels like
+11
673 mmHg
63%
5.2
m/s
NW
Climate normal
+17
+12
22 September, Sunday. day, 18°; night, 8°; light rain
23
+19
+8
23 September, mon
+19
+8
Feels like
+10
674 mmHg
63%
4.6
m/s
S
Climate normal
+19
+14
23 September, Monday. day, 19°; night, 8°; partly cloudy
24
+24
+14
24 September, tue
+24
+14
Feels like
+15
669 mmHg
53%
3.8
m/s
NW
Climate normal
+19
+14
24 September, Tuesday. day, 24°; night, 14°; clear
25
+27
+11
25 September, wed
+27
+11
Feels like
+17
671 mmHg
45%
4.7
m/s
W
Climate normal
+22
+16
25 September, Wednesday. day, 27°; night, 11°; partly cloudy
26
+22
+16
26 September, thu
+22
+16
Feels like
+10
667 mmHg
53%
7.1
m/s
W
Climate normal
+18
+12
26 September, Thursday. day, 22°; night, 16°; partly cloudy
27
+20
+16
27 September, fri
+20
+16
Feels like
+14
652 mmHg
75%
5.7
m/s
E
Climate normal
+18
+13
27 September, Friday. day, 20°; night, 16°; light rain
28
+21
+13
28 September, sat
+21
+13
Feels like
+16
654 mmHg
71%
4.3
m/s
SW
Climate normal
+18
+13
28 September, Saturday. day, 21°; night, 13°; rain
29
+14
+8
29 September, sun
+14
+8
Feels like
+8
657 mmHg
71%
4.1
m/s
NW
Climate normal
+20
+13
29 September, Sunday. day, 14°; night, 8°; light rain
30
+15
+8
30 September, mon
+15
+8
Feels like
+7
659 mmHg
67%
4.5
m/s
SW
Climate normal
+17
+11
30 September, Monday. day, 15°; night, 8°; mostly clear
1 October
+14
+8
1 October, tue
+14
+8
Feels like
+9
661 mmHg
61%
3.3
m/s
NW
Climate normal
+15
+9
1 October, Tuesday. day, 14°; night, 8°; clear
2
+17
+12
2 October, wed
+17
+12
Feels like
+10
660 mmHg
54%
2.5
m/s
W
Climate normal
+14
+9
2 October, Wednesday. day, 17°; night, 12°; clear
3
+20
+12
3 October, thu
+20
+12
Feels like
+13
656 mmHg
43%
2.7
m/s
SW
Climate normal
+13
+9
3 October, Thursday. day, 20°; night, 12°; clear
4
+19
+14
4 October, fri
+19
+14
Feels like
+11
651 mmHg
53%
5.7
m/s
SE
Climate normal
+11
+8
4 October, Friday. day, 19°; night, 14°; mostly clear
5
+16
+13
5 October, sat
+16
+13
Feels like
+12
647 mmHg
80%
4.8
m/s
SE
Climate normal
+12
+8
5 October, Saturday. day, 16°; night, 13°; rain
6
+15
+12
6 October, sun
+15
+12
Feels like
+11
651 mmHg
86%
5.5
m/s
E
Climate normal
+13
+8
6 October, Sunday. day, 15°; night, 12°; rain
7
+11
+6
7 October, mon
+11
+6
Feels like
+2
653 mmHg
96%
9.6
m/s
N
Climate normal
+11
+7
7 October, Monday. day, 11°; night, 6°; rain
8
+7
+5
8 October, tue
+7
+5
Feels like
+2
662 mmHg
83%
5.1
m/s
N
Climate normal
+9
+6
8 October, Tuesday. day, 7°; night, 5°; light rain
9
+11
+8
9 October, wed
+11
+8
Feels like
+5
660 mmHg
80%
3.3
m/s
S
Climate normal
+11
+8
9 October, Wednesday. day, 11°; night, 8°; clear
10
+15
+9
10 October, thu
+15
+9
Feels like
+9
654 mmHg
68%
3.4
m/s
SW
Climate normal
+12
+6
10 October, Thursday. day, 15°; night, 9°; clear
11
+13
+8
11 October, fri
+13
+8
Feels like
+6
657 mmHg
74%
4.8
m/s
SE
Climate normal
+6
+3
11 October, Friday. day, 13°; night, 8°; clear
12
+16
+12
12 October, sat
+16
+12
Feels like
+10
649 mmHg
68%
3.4
m/s
SW
Climate normal
+10
+6
12 October, Saturday. day, 16°; night, 12°; clear
Average for 30 days
11
sunny days
13
days with precipitation
6
cloudy days
11 sunny days; 13 days with precipitation; 6 cloudy days;
63
%
air humidity
5
m/s
Wind
SW
25
mm of precipitation
(4% of annual average)
air humidity 63%; 25 millimeters of precipitation (4% of annual average); Wind south-westerly 5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
E
S
SW
SW
W
E
NW
NW
S
NW
W
W
E
SW
NW
SW
NW
W
SW
SE
SE
E
N
N
S
SW
SE
SW
NW
14
Average data for 10 years
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
Daytime temperature
Night-time temperature
