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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
15
+20
+14
15 September, sun
+20
+14
Feels like
+17
667 mmHg
47%
5.8
m/s
SW
15 September, Sunday. day, 20°; night, 14°; clear
16
+20
+13
16 September, mon
+20
+13
Feels like
+17
666 mmHg
47%
6
m/s
S
16 September, Monday. day, 20°; night, 13°; partly cloudy
17
+20
+15
17 September, tue
+20
+15
Feels like
+17
666 mmHg
44%
6.9
m/s
SW
17 September, Tuesday. day, 20°; night, 15°; clear
18
+20
+14
18 September, wed
+20
+14
Feels like
+16
664 mmHg
41%
7.3
m/s
W
18 September, Wednesday. day, 20°; night, 14°; clear
19
+19
+13
19 September, thu
+19
+13
Feels like
+14
666 mmHg
38%
8.1
m/s
W
19 September, Thursday. day, 19°; night, 13°; rain
20
September
+28
+13
20 September, fri
+28
+13
Feels like
+17
665 mmHg
43%
5
m/s
S
Climate normal
+19
+13
20 September, Friday. day, 28°; night, 13°; clear
21
+17
+5
21 September, sat
+17
+5
Feels like
+9
673 mmHg
56%
5.3
m/s
NW
Climate normal
+19
+13
21 September, Saturday. day, 17°; night, 5°; mostly clear
22
+22
+10
22 September, sun
+22
+10
Feels like
+11
672 mmHg
51%
3.6
m/s
S
Climate normal
+17
+12
22 September, Sunday. day, 22°; night, 10°; clear
23
+21
+9
23 September, mon
+21
+9
Feels like
+12
669 mmHg
46%
6.6
m/s
NW
Climate normal
+19
+14
23 September, Monday. day, 21°; night, 9°; mostly clear
24
+24
+11
24 September, tue
+24
+11
Feels like
+16
674 mmHg
48%
3.9
m/s
NW
Climate normal
+19
+14
24 September, Tuesday. day, 24°; night, 11°; partly cloudy
25
+29
+17
25 September, wed
+29
+17
Feels like
+18
673 mmHg
41%
5.4
m/s
S
Climate normal
+22
+16
25 September, Wednesday. day, 29°; night, 17°; clear
26
+31
+13
26 September, thu
+31
+13
Feels like
+21
672 mmHg
40%
4.4
m/s
NW
Climate normal
+18
+12
26 September, Thursday. day, 31°; night, 13°; partly cloudy
27
+30
+15
27 September, fri
+30
+15
Feels like
+19
672 mmHg
41%
4.8
m/s
E
Climate normal
+18
+13
27 September, Friday. day, 30°; night, 15°; mostly clear
28
+26
+14
28 September, sat
+26
+14
Feels like
+17
670 mmHg
43%
5
m/s
N
Climate normal
+18
+13
28 September, Saturday. day, 26°; night, 14°; light rain
29
+25
+15
29 September, sun
+25
+15
Feels like
+14
672 mmHg
45%
7.1
m/s
S
Climate normal
+20
+13
29 September, Sunday. day, 25°; night, 15°; rain
30
+23
+13
30 September, mon
+23
+13
Feels like
+15
673 mmHg
52%
5
m/s
NE
Climate normal
+17
+11
30 September, Monday. day, 23°; night, 13°; mostly clear
1 October
+30
+15
1 October, tue
+30
+15
Feels like
+21
671 mmHg
54%
4.6
m/s
NE
Climate normal
+15
+9
1 October, Tuesday. day, 30°; night, 15°; mostly clear
2
+30
+14
2 October, wed
+30
+14
Feels like
+17
668 mmHg
51%
8.9
m/s
SE
Climate normal
+14
+9
2 October, Wednesday. day, 30°; night, 14°; clear
3
+24
+16
3 October, thu
+24
+16
Feels like
+19
652 mmHg
53%
2.2
m/s
SW
Climate normal
+13
+9
3 October, Thursday. day, 24°; night, 16°; clear
4
+25
+20
4 October, fri
+25
+20
Feels like
+18
650 mmHg
33%
2.6
m/s
NW
Climate normal
+11
+8
4 October, Friday. day, 25°; night, 20°; mostly clear
5
+26
+21
5 October, sat
+26
+21
Feels like
+18
650 mmHg
22%
4.7
m/s
SW
Climate normal
+12
+8
5 October, Saturday. day, 26°; night, 21°; clear
6
+16
+7
6 October, sun
+16
+7
Feels like
+8
652 mmHg
61%
7.8
m/s
NE
Climate normal
+13
+8
6 October, Sunday. day, 16°; night, 7°; partly cloudy
7
+6
+5
7 October, mon
+6
+5
Feels like
+1
655 mmHg
86%
4.8
m/s
E
Climate normal
+11
+7
7 October, Monday. day, 6°; night, 5°; rain
8
+16
+12
8 October, tue
+16
+12
Feels like
+9
651 mmHg
73%
4.1
m/s
SE
Climate normal
+9
+6
8 October, Tuesday. day, 16°; night, 12°; mostly clear
9
+15
+6
9 October, wed
+15
+6
Feels like
+7
650 mmHg
76%
6.1
m/s
NE
Climate normal
+11
+8
9 October, Wednesday. day, 15°; night, 6°; light rain
10
+6
+3
10 October, thu
+6
+3
Feels like
−2
658 mmHg
44%
7.3
m/s
NW
Climate normal
+12
+6
10 October, Thursday. day, 6°; night, 3°; light rain
11
+6
+3
11 October, fri
+6
+3
Feels like
−5
662 mmHg
43%
8.8
m/s
NW
Climate normal
+6
+3
11 October, Friday. day, 6°; night, 3°; clear
12
+11
+4
12 October, sat
+11
+4
Feels like
+1
660 mmHg
48%
7.3
m/s
NW
Climate normal
+10
+6
12 October, Saturday. day, 11°; night, 4°; partly cloudy
13
+11
+6
13 October, sun
+11
+6
Feels like
+4
661 mmHg
61%
2.6
m/s
NW
Climate normal
+11
+7
13 October, Sunday. day, 11°; night, 6°; clear
14
+16
+9
14 October, mon
+16
+9
Feels like
+8
656 mmHg
55%
3
m/s
S
Climate normal
+13
+8
14 October, Monday. day, 16°; night, 9°; clear
15
+18
+10
15 October, tue
+18
+10
Feels like
+10
655 mmHg
42%
2.8
m/s
W
Climate normal
+11
+7
15 October, Tuesday. day, 18°; night, 10°; clear
16
+19
+8
16 October, wed
+19
+8
Feels like
+10
655 mmHg
39%
3.6
m/s
W
Climate normal
+12
+8
16 October, Wednesday. day, 19°; night, 8°; clear
17
+17
+12
17 October, thu
+17
+12
Feels like
+9
657 mmHg
46%
3.5
m/s
S
Climate normal
+12
+9
17 October, Thursday. day, 17°; night, 12°; mostly clear
18
+19
+13
18 October, fri
+19
+13
Feels like
+10
655 mmHg
40%
4
m/s
SW
Climate normal
+13
+9
18 October, Friday. day, 19°; night, 13°; clear
19
+18
+9
19 October, sat
+18
+9
Feels like
+8
654 mmHg
38%
6.8
m/s
NW
Climate normal
+12
+7
19 October, Saturday. day, 18°; night, 9°; 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;
49
%
air humidity
5.1
m/s
Wind
NW
10
mm of precipitation
(2% of annual average)
air humidity 49%; 10 millimeters of precipitation (2% of annual average); Wind north-westerly 5.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
NW
S
NW
NW
S
NW
E
N
S
NE
NE
SE
SW
NW
SW
NE
E
SE
NE
NW
NW
NW
NW
S
W
W
S
SW
NW
20
Average data for 10 years
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Daytime temperature
Night-time temperature
