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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
September
+32
+18
8 September, sun
+32
+18
Feels like
+23
670 mmHg
44%
4.6
m/s
E
Climate normal
+21
+14
8 September, Sunday. day, 32°; night, 18°; clear
9
+33
+18
9 September, mon
+33
+18
Feels like
+26
668 mmHg
33%
3.4
m/s
NE
Climate normal
+20
+14
9 September, Monday. day, 33°; night, 18°; thunderstorm
10
+32
+19
10 September, tue
+32
+19
Feels like
+24
668 mmHg
32%
3.9
m/s
SW
Climate normal
+20
+15
10 September, Tuesday. day, 32°; night, 19°; partly cloudy
11
+33
+22
11 September, wed
+33
+22
Feels like
+22
665 mmHg
36%
8.1
m/s
S
Climate normal
+20
+14
11 September, Wednesday. day, 33°; night, 22°; thunderstorm with rain
12
+34
+17
12 September, thu
+34
+17
Feels like
+24
665 mmHg
34%
8.7
m/s
S
Climate normal
+19
+13
12 September, Thursday. day, 34°; night, 17°; thunderstorm
13
+28
+12
13 September, fri
+28
+12
Feels like
+17
667 mmHg
39%
8.7
m/s
W
Climate normal
+18
+12
13 September, Friday. day, 28°; night, 12°; overcast
14
+28
+15
14 September, sat
+28
+15
Feels like
+16
672 mmHg
36%
5.8
m/s
S
Climate normal
+18
+12
14 September, Saturday. day, 28°; night, 15°; mostly clear
15
+30
+17
15 September, sun
+30
+17
Feels like
+20
671 mmHg
39%
4.9
m/s
SW
Climate normal
+20
+14
15 September, Sunday. day, 30°; night, 17°; partly cloudy
16
+31
+18
16 September, mon
+31
+18
Feels like
+22
670 mmHg
47%
4.9
m/s
NW
Climate normal
+20
+13
16 September, Monday. day, 31°; night, 18°; light rain
17
+30
+17
17 September, tue
+30
+17
Feels like
+20
666 mmHg
49%
7.3
m/s
S
Climate normal
+20
+15
17 September, Tuesday. day, 30°; night, 17°; partly cloudy
18
+28
+17
18 September, wed
+28
+17
Feels like
+18
667 mmHg
33%
8
m/s
SW
Climate normal
+20
+14
18 September, Wednesday. day, 28°; night, 17°; partly cloudy
19
+29
+11
19 September, thu
+29
+11
Feels like
+19
669 mmHg
40%
6.6
m/s
SW
Climate normal
+19
+13
19 September, Thursday. day, 29°; night, 11°; partly cloudy
20
+13
+10
20 September, fri
+13
+10
Feels like
+7
669 mmHg
65%
6.2
m/s
W
Climate normal
+19
+13
20 September, Friday. day, 13°; night, 10°; partly cloudy
21
+16
+14
21 September, sat
+16
+14
Feels like
+9
660 mmHg
79%
9.5
m/s
NW
Climate normal
+19
+13
21 September, Saturday. day, 16°; night, 14°; overcast
22
+22
+15
22 September, sun
+22
+15
Feels like
+14
665 mmHg
64%
6.8
m/s
N
Climate normal
+17
+12
22 September, Sunday. day, 22°; night, 15°; partly cloudy
23
+22
+17
23 September, mon
+22
+17
Feels like
+17
665 mmHg
67%
2.8
m/s
NW
Climate normal
+19
+14
23 September, Monday. day, 22°; night, 17°; partly cloudy
24
+20
+16
24 September, tue
+20
+16
Feels like
+17
661 mmHg
73%
2.7
m/s
S
Climate normal
+19
+14
24 September, Tuesday. day, 20°; night, 16°; light rain
25
+20
+15
25 September, wed
+20
+15
Feels like
+16
658 mmHg
43%
2
m/s
SW
Climate normal
+22
+16
25 September, Wednesday. day, 20°; night, 15°; clear
26
+21
+16
26 September, thu
+21
+16
Feels like
+15
656 mmHg
34%
2
m/s
SW
Climate normal
+18
+12
26 September, Thursday. day, 21°; night, 16°; clear
27
+21
+16
27 September, fri
+21
+16
Feels like
+12
656 mmHg
44%
3.7
m/s
NW
Climate normal
+18
+13
27 September, Friday. day, 21°; night, 16°; partly cloudy
28
+26
+17
28 September, sat
+26
+17
Feels like
+18
660 mmHg
32%
4.6
m/s
N
Climate normal
+18
+13
28 September, Saturday. day, 26°; night, 17°; partly cloudy
29
+17
+10
29 September, sun
+17
+10
Feels like
+11
662 mmHg
53%
3.8
m/s
NW
Climate normal
+20
+13
29 September, Sunday. day, 17°; night, 10°; partly cloudy
30
+18
+11
30 September, mon
+18
+11
Feels like
+10
660 mmHg
44%
2.8
m/s
S
Climate normal
+17
+11
30 September, Monday. day, 18°; night, 11°; clear
1 October
+16
+9
1 October, tue
+16
+9
Feels like
+11
657 mmHg
58%
2.9
m/s
NW
Climate normal
+15
+9
1 October, Tuesday. day, 16°; night, 9°; clear
2
+12
+5
2 October, wed
+12
+5
Feels like
+4
659 mmHg
62%
6.1
m/s
NW
Climate normal
+14
+9
2 October, Wednesday. day, 12°; night, 5°; light rain
3
+14
+6
3 October, thu
+14
+6
Feels like
+6
663 mmHg
56%
3.1
m/s
NW
Climate normal
+13
+9
3 October, Thursday. day, 14°; night, 6°; clear
4
+17
+9
4 October, fri
+17
+9
Feels like
+9
659 mmHg
44%
2.5
m/s
SW
Climate normal
+11
+8
4 October, Friday. day, 17°; night, 9°; clear
5
+20
+13
5 October, sat
+20
+13
Feels like
+11
657 mmHg
37%
3
m/s
NW
Climate normal
+12
+8
5 October, Saturday. day, 20°; night, 13°; clear
6
+18
+11
6 October, sun
+18
+11
Feels like
+13
659 mmHg
53%
1.9
m/s
N
Climate normal
+13
+8
6 October, Sunday. day, 18°; night, 11°; clear
7
+20
+10
7 October, mon
+20
+10
Feels like
+13
656 mmHg
47%
2.4
m/s
SW
Climate normal
+11
+7
7 October, Monday. day, 20°; night, 10°; clear
Average data for 10 years
Next, the average data for 10 years
8
+9
+6
8 October, tue
+9
+6
Feels like
+4
668 mmHg
64%
6.8
m/s
NW
8 October, Tuesday. day, 9°; night, 6°; rain
9
+11
+8
9 October, wed
+11
+8
Feels like
+6
666 mmHg
55%
6.5
m/s
SW
9 October, Wednesday. day, 11°; night, 8°; clear
10
+12
+6
10 October, thu
+12
+6
Feels like
+7
663 mmHg
56%
7.4
m/s
W
10 October, Thursday. day, 12°; night, 6°; clear
11
+6
+3
11 October, fri
+6
+3
Feels like
+1
668 mmHg
66%
6.6
m/s
NW
11 October, Friday. day, 6°; night, 3°; partly cloudy
12
+10
+6
12 October, sat
+10
+6
Feels like
+5
667 mmHg
56%
6.1
m/s
W
12 October, Saturday. day, 10°; night, 6°; clear
Average for 30 days
16
sunny days
1
day with precipitation
13
cloudy days
16 sunny days; 1 day with precipitation; 13 cloudy days;
47
%
air humidity
4.8
m/s
Wind
NW
2
mm of precipitation
(1% of annual average)
air humidity 47%; 2 millimeters of precipitation (1% of annual average); Wind north-westerly 4.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
NE
SW
S
S
W
S
SW
NW
S
SW
SW
W
NW
N
NW
S
SW
SW
NW
N
NW
S
NW
NW
NW
SW
NW
N
SW
8
Average data for 10 years
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
Daytime temperature
Night-time temperature
