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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
+33
+19
9 September, mon
+33
+19
Feels like
+21
668 mmHg
36%
3.8
m/s
SW
Climate normal
+20
+14
9 September, Monday. day, 33°; night, 19°; mostly clear
10
September
+33
+22
10 September, tue
+33
+22
Feels like
+24
669 mmHg
32%
3.9
m/s
SW
Climate normal
+20
+15
10 September, Tuesday. day, 33°; night, 22°; mostly clear
11
+32
+23
11 September, wed
+32
+23
Feels like
+23
665 mmHg
34%
7.9
m/s
S
Climate normal
+20
+14
11 September, Wednesday. day, 32°; night, 23°; thunderstorm with rain
12
+34
+15
12 September, thu
+34
+15
Feels like
+24
662 mmHg
35%
8.8
m/s
S
Climate normal
+19
+13
12 September, Thursday. day, 34°; night, 15°; thunderstorm with rain
13
+26
+13
13 September, fri
+26
+13
Feels like
+15
666 mmHg
51%
6.5
m/s
W
Climate normal
+18
+12
13 September, Friday. day, 26°; night, 13°; mostly clear
14
+29
+15
14 September, sat
+29
+15
Feels like
+18
672 mmHg
39%
4.2
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 29°; night, 15°; partly cloudy
15
+31
+17
15 September, sun
+31
+17
Feels like
+20
672 mmHg
29%
3.7
m/s
SW
Climate normal
+20
+14
15 September, Sunday. day, 31°; night, 17°; partly cloudy
16
+30
+18
16 September, mon
+30
+18
Feels like
+20
671 mmHg
44%
6
m/s
SE
Climate normal
+20
+13
16 September, Monday. day, 30°; night, 18°; light rain
17
+31
+16
17 September, tue
+31
+16
Feels like
+20
666 mmHg
46%
8.3
m/s
SW
Climate normal
+20
+15
17 September, Tuesday. day, 31°; night, 16°; light rain
18
+22
+12
18 September, wed
+22
+12
Feels like
+13
666 mmHg
54%
6.4
m/s
W
Climate normal
+20
+14
18 September, Wednesday. day, 22°; night, 12°; partly cloudy
19
+22
+12
19 September, thu
+22
+12
Feels like
+13
667 mmHg
55%
4.9
m/s
NW
Climate normal
+19
+13
19 September, Thursday. day, 22°; night, 12°; light rain
20
+22
+12
20 September, fri
+22
+12
Feels like
+14
668 mmHg
59%
4.6
m/s
W
Climate normal
+19
+13
20 September, Friday. day, 22°; night, 12°; partly cloudy
21
+21
+13
21 September, sat
+21
+13
Feels like
+13
669 mmHg
55%
5.4
m/s
W
Climate normal
+19
+13
21 September, Saturday. day, 21°; night, 13°; partly cloudy
22
+25
+17
22 September, sun
+25
+17
Feels like
+19
659 mmHg
51%
3.5
m/s
E
Climate normal
+17
+12
22 September, Sunday. day, 25°; night, 17°; clear
23
+24
+17
23 September, mon
+24
+17
Feels like
+18
660 mmHg
57%
5.9
m/s
SE
Climate normal
+19
+14
23 September, Monday. day, 24°; night, 17°; clear
24
+22
+18
24 September, tue
+22
+18
Feels like
+14
657 mmHg
57%
6.9
m/s
SE
Climate normal
+19
+14
24 September, Tuesday. day, 22°; night, 18°; clear
25
+24
+20
25 September, wed
+24
+20
Feels like
+16
655 mmHg
52%
6.4
m/s
SE
Climate normal
+22
+16
25 September, Wednesday. day, 24°; night, 20°; clear
26
+25
+20
26 September, thu
+25
+20
Feels like
+19
655 mmHg
48%
4
m/s
S
Climate normal
+18
+12
26 September, Thursday. day, 25°; night, 20°; clear
27
+22
+15
27 September, fri
+22
+15
Feels like
+19
656 mmHg
50%
2.7
m/s
NE
Climate normal
+18
+13
27 September, Friday. day, 22°; night, 15°; partly cloudy
28
+26
+18
28 September, sat
+26
+18
Feels like
+20
659 mmHg
52%
1.7
m/s
SW
Climate normal
+18
+13
28 September, Saturday. day, 26°; night, 18°; clear
29
+26
+18
29 September, sun
+26
+18
Feels like
+19
660 mmHg
37%
2.7
m/s
SW
Climate normal
+20
+13
29 September, Sunday. day, 26°; night, 18°; clear
30
+26
+18
30 September, mon
+26
+18
Feels like
+19
658 mmHg
36%
3.5
m/s
S
Climate normal
+17
+11
30 September, Monday. day, 26°; night, 18°; clear
1 October
+26
+16
1 October, tue
+26
+16
Feels like
+18
658 mmHg
31%
3.3
m/s
NW
Climate normal
+15
+9
1 October, Tuesday. day, 26°; night, 16°; clear
2
+24
+17
2 October, wed
+24
+17
Feels like
+18
660 mmHg
46%
2.8
m/s
E
Climate normal
+14
+9
2 October, Wednesday. day, 24°; night, 17°; partly cloudy
3
+24
+20
3 October, thu
+24
+20
Feels like
+18
657 mmHg
47%
4.6
m/s
SE
Climate normal
+13
+9
3 October, Thursday. day, 24°; night, 20°; mostly clear
4
+19
+15
4 October, fri
+19
+15
Feels like
+13
653 mmHg
39%
5.5
m/s
SE
Climate normal
+11
+8
4 October, Friday. day, 19°; night, 15°; light rain
5
+20
+16
5 October, sat
+20
+16
Feels like
+14
655 mmHg
36%
2.4
m/s
NW
Climate normal
+12
+8
5 October, Saturday. day, 20°; night, 16°; mostly clear
6
+22
+16
6 October, sun
+22
+16
Feels like
+15
655 mmHg
47%
3.5
m/s
SW
Climate normal
+13
+8
6 October, Sunday. day, 22°; night, 16°; clear
7
+22
+15
7 October, mon
+22
+15
Feels like
+17
655 mmHg
53%
3.2
m/s
E
Climate normal
+11
+7
7 October, Monday. day, 22°; night, 15°; clear
8
+23
+14
8 October, tue
+23
+14
Feels like
+15
654 mmHg
50%
4.7
m/s
S
Climate normal
+9
+6
8 October, Tuesday. day, 23°; night, 14°; clear
9
+19
+12
9 October, wed
+19
+12
Feels like
+12
659 mmHg
43%
3
m/s
E
Climate normal
+11
+8
9 October, Wednesday. day, 19°; night, 12°; mostly clear
Average data for 10 years
Next, the average data for 10 years
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
18
sunny days
5
days with precipitation
7
cloudy days
18 sunny days; 5 days with precipitation; 7 cloudy days;
46
%
air humidity
4.7
m/s
Wind
SW
2
mm of precipitation
(1% of annual average)
air humidity 46%; 2 millimeters of precipitation (1% of annual average); Wind south-westerly 4.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
S
W
SW
SW
SE
SW
W
NW
W
W
E
SE
SE
SE
S
NE
SW
SW
S
NW
E
SE
SE
NW
SW
E
S
E
10
Average data for 10 years
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
8
9
Daytime temperature
Night-time temperature
