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Monthly weather forecast in Boulder
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
29
+17
+10
29 September, sun
+17
+10
Feels like
+12
647 mmHg
37%
6.5
m/s
W
29 September, Sunday. day, 17°; night, 10°; clear
30
+16
+9
30 September, mon
+16
+9
Feels like
+11
647 mmHg
41%
5
m/s
S
30 September, Monday. day, 16°; night, 9°; rain
1 October
+14
+8
1 October, tue
+14
+8
Feels like
+9
647 mmHg
47%
6
m/s
N
1 October, Tuesday. day, 14°; night, 8°; partly cloudy
2
+14
+9
2 October, wed
+14
+9
Feels like
+10
646 mmHg
43%
5.3
m/s
S
2 October, Wednesday. day, 14°; night, 9°; rain
3
+14
+6
3 October, thu
+14
+6
Feels like
+10
645 mmHg
50%
5.4
m/s
W
3 October, Thursday. day, 14°; night, 6°; clear
4
+12
+6
4 October, fri
+12
+6
Feels like
+7
645 mmHg
49%
4.8
m/s
SW
4 October, Friday. day, 12°; night, 6°; partly cloudy
5
October
+30
+9
5 October, sat
+30
+9
Feels like
+19
632 mmHg
20%
5.7
m/s
W
Climate normal
+11
+5
5 October, Saturday. day, 30°; night, 9°; clear
6
+25
+11
6 October, sun
+25
+11
Feels like
+16
636 mmHg
33%
2.8
m/s
E
Climate normal
+12
+6
6 October, Sunday. day, 25°; night, 11°; clear
7
+28
+10
7 October, mon
+28
+10
Feels like
+18
634 mmHg
27%
3.8
m/s
NW
Climate normal
+11
+5
7 October, Monday. day, 28°; night, 10°; mostly clear
8
+27
+14
8 October, tue
+27
+14
Feels like
+18
632 mmHg
29%
3.6
m/s
E
Climate normal
+10
+4
8 October, Tuesday. day, 27°; night, 14°; mostly clear
9
+26
+13
9 October, wed
+26
+13
Feels like
+15
631 mmHg
34%
6.4
m/s
W
Climate normal
+10
+5
9 October, Wednesday. day, 26°; night, 13°; thunderstorm
10
+29
+14
10 October, thu
+29
+14
Feels like
+16
631 mmHg
30%
5.3
m/s
W
Climate normal
+12
+7
10 October, Thursday. day, 29°; night, 14°; mostly clear
11
+28
+13
11 October, fri
+28
+13
Feels like
+15
628 mmHg
30%
5.9
m/s
W
Climate normal
+10
+4
11 October, Friday. day, 28°; night, 13°; mostly clear
12
+15
+8
12 October, sat
+15
+8
Feels like
+10
631 mmHg
74%
4.3
m/s
NE
Climate normal
+10
+4
12 October, Saturday. day, 15°; night, 8°; light rain
13
+14
+7
13 October, sun
+14
+7
Feels like
+8
635 mmHg
74%
3.8
m/s
E
Climate normal
+11
+6
13 October, Sunday. day, 14°; night, 7°; rain
14
+20
+8
14 October, mon
+20
+8
Feels like
+8
633 mmHg
59%
5.1
m/s
W
Climate normal
+12
+6
14 October, Monday. day, 20°; night, 8°; partly cloudy
15
+19
+5
15 October, tue
+19
+5
Feels like
+6
626 mmHg
49%
4.8
m/s
W
Climate normal
+13
+7
15 October, Tuesday. day, 19°; night, 5°; clear
16
+22
+10
16 October, wed
+22
+10
Feels like
+11
630 mmHg
51%
4.4
m/s
W
Climate normal
+13
+6
16 October, Wednesday. day, 22°; night, 10°; mostly clear
17
+24
+3
17 October, thu
+24
+3
Feels like
+11
616 mmHg
51%
3.9
m/s
SW
Climate normal
+11
+6
17 October, Thursday. day, 24°; night, 3°; light rain
18
+12
+4
18 October, fri
+12
+4
Feels like
+3
548 mmHg
62%
2.4
m/s
W
Climate normal
+13
+7
18 October, Friday. day, 12°; night, 4°; mostly clear
19
+12
+4
19 October, sat
+12
+4
Feels like
+4
546 mmHg
61%
1.9
m/s
S
Climate normal
+12
+6
19 October, Saturday. day, 12°; night, 4°; rain
20
+9
+3
20 October, sun
+9
+3
Feels like
+3
547 mmHg
73%
3.4
m/s
W
Climate normal
+9
+5
20 October, Sunday. day, 9°; night, 3°; partly cloudy
21
+9
+2
21 October, mon
+9
+2
Feels like
+2
547 mmHg
65%
2.8
m/s
W
Climate normal
+10
+5
21 October, Monday. day, 9°; night, 2°; partly cloudy
22
+9
+2
22 October, tue
+9
+2
Feels like
+1
546 mmHg
56%
3.4
m/s
W
Climate normal
+10
+5
22 October, Tuesday. day, 9°; night, 2°; clear
23
+8
−3
23 October, wed
+8
−3
Feels like
0
551 mmHg
61%
4.2
m/s
NW
Climate normal
+12
+6
23 October, Wednesday. day, 8°; night, -3°; clear
24
+13
+3
24 October, thu
+13
+3
Feels like
+2
552 mmHg
49%
2.5
m/s
W
Climate normal
+12
+3
24 October, Thursday. day, 13°; night, 3°; clear
25
+12
+3
25 October, fri
+12
+3
Feels like
+1
548 mmHg
36%
3.9
m/s
W
Climate normal
+7
+2
25 October, Friday. day, 12°; night, 3°; clear
26
+11
+2
26 October, sat
+11
+2
Feels like
+3
546 mmHg
55%
3.1
m/s
E
Climate normal
+6
0
26 October, Saturday. day, 11°; night, 2°; mostly clear
27
−2
−8
27 October, sun
−2
−8
Feels like
−9
544 mmHg
92%
4.5
m/s
E
Climate normal
+7
+2
27 October, Sunday. day, -2°; night, -8°; snow
28
−1
−6
28 October, mon
−1
−6
Feels like
−10
545 mmHg
82%
2.6
m/s
NW
Climate normal
+10
+4
28 October, Monday. day, -1°; night, -6°; mostly clear
29
+4
−4
29 October, tue
+4
−4
Feels like
−8
545 mmHg
72%
4.6
m/s
W
Climate normal
+8
+3
29 October, Tuesday. day, 4°; night, -4°; clear
30
+6
−2
30 October, wed
+6
−2
Feels like
−5
545 mmHg
66%
3.4
m/s
W
Climate normal
+9
+6
30 October, Wednesday. day, 6°; night, -2°; clear
31
+6
−4
31 October, thu
+6
−4
Feels like
−2
547 mmHg
54%
2.4
m/s
E
Climate normal
+11
+5
31 October, Thursday. day, 6°; night, -4°; partly cloudy
1 November
+8
−2
1 November, fri
+8
−2
Feels like
−3
549 mmHg
64%
1.7
m/s
NW
Climate normal
+9
+4
1 November, Friday. day, 8°; night, -2°; clear
2
+10
−1
2 November, sat
+10
−1
Feels like
0
548 mmHg
40%
Calm m/s
Climate normal
+9
+4
2 November, Saturday. day, 10°; night, -1°; clear
Average for 30 days
21
sunny days
4
days with precipitation
5
cloudy days
21 sunny days; 4 days with precipitation; 5 cloudy days;
53
%
air humidity
3.7
m/s
Wind
W
12
mm of precipitation
(3% of annual average)
air humidity 53%; 12 millimeters of precipitation (3% of annual average); Wind westerly 3.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
E
NW
E
W
W
W
NE
E
W
W
W
SW
W
S
W
W
W
NW
W
W
E
E
NW
W
W
E
NW
W
5
Average data for 10 years
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
November
2
3
Daytime temperature
Night-time temperature
