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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
+27
+6
30 September, mon
+27
+6
Feels like
+16
632 mmHg
33%
5.3
m/s
W
Climate normal
+16
+9
30 September, Monday. day, 27°; night, 6°; mostly clear
1
October
+24
+14
1 October, tue
+24
+14
Feels like
+13
635 mmHg
33%
3.4
m/s
E
Climate normal
+14
+8
1 October, Tuesday. day, 24°; night, 14°; mostly clear
2
+31
+14
2 October, wed
+31
+14
Feels like
+21
630 mmHg
20%
5.1
m/s
W
Climate normal
+14
+9
2 October, Wednesday. day, 31°; night, 14°; clear
3
+26
+8
3 October, thu
+26
+8
Feels like
+17
631 mmHg
32%
4
m/s
E
Climate normal
+14
+6
3 October, Thursday. day, 26°; night, 8°; mostly clear
4
+28
+16
4 October, fri
+28
+16
Feels like
+14
633 mmHg
36%
4
m/s
W
Climate normal
+12
+6
4 October, Friday. day, 28°; night, 16°; clear
5
+31
+12
5 October, sat
+31
+12
Feels like
+17
633 mmHg
22%
6.8
m/s
W
Climate normal
+11
+5
5 October, Saturday. day, 31°; night, 12°; mostly clear
6
+26
+11
6 October, sun
+26
+11
Feels like
+14
636 mmHg
34%
3.1
m/s
W
Climate normal
+12
+6
6 October, Sunday. day, 26°; night, 11°; clear
7
+30
+13
7 October, mon
+30
+13
Feels like
+17
630 mmHg
27%
5.4
m/s
W
Climate normal
+11
+5
7 October, Monday. day, 30°; night, 13°; clear
8
+27
+11
8 October, tue
+27
+11
Feels like
+15
635 mmHg
32%
5.3
m/s
W
Climate normal
+10
+4
8 October, Tuesday. day, 27°; night, 11°; mostly clear
9
+27
+10
9 October, wed
+27
+10
Feels like
+14
632 mmHg
37%
5.2
m/s
W
Climate normal
+10
+5
9 October, Wednesday. day, 27°; night, 10°; clear
10
+26
+9
10 October, thu
+26
+9
Feels like
+12
630 mmHg
39%
4.6
m/s
W
Climate normal
+12
+7
10 October, Thursday. day, 26°; night, 9°; mostly clear
11
+22
+10
11 October, fri
+22
+10
Feels like
+10
625 mmHg
45%
4.5
m/s
W
Climate normal
+10
+4
11 October, Friday. day, 22°; night, 10°; partly cloudy
12
+24
+11
12 October, sat
+24
+11
Feels like
+13
627 mmHg
50%
4.8
m/s
W
Climate normal
+10
+4
12 October, Saturday. day, 24°; night, 11°; mostly clear
13
+16
−6
13 October, sun
+16
−6
Feels like
0
587 mmHg
53%
4.9
m/s
NW
Climate normal
+11
+6
13 October, Sunday. day, 16°; night, -6°; mostly clear
14
+7
−3
14 October, mon
+7
−3
Feels like
−4
550 mmHg
39%
4.3
m/s
N
Climate normal
+12
+6
14 October, Monday. day, 7°; night, -3°; clear
15
+10
−4
15 October, tue
+10
−4
Feels like
−1
550 mmHg
38%
3
m/s
NW
Climate normal
+13
+7
15 October, Tuesday. day, 10°; night, -4°; clear
16
+10
−2
16 October, wed
+10
−2
Feels like
0
549 mmHg
33%
2.2
m/s
E
Climate normal
+13
+6
16 October, Wednesday. day, 10°; night, -2°; clear
17
+11
−2
17 October, thu
+11
−2
Feels like
+1
549 mmHg
35%
1.9
m/s
E
Climate normal
+11
+6
17 October, Thursday. day, 11°; night, -2°; clear
18
+12
+1
18 October, fri
+12
+1
Feels like
+1
548 mmHg
41%
2.2
m/s
SW
Climate normal
+13
+7
18 October, Friday. day, 12°; night, 1°; clear
19
+11
+2
19 October, sat
+11
+2
Feels like
0
547 mmHg
34%
2.9
m/s
W
Climate normal
+12
+6
19 October, Saturday. day, 11°; night, 2°; clear
20
+10
+1
20 October, sun
+10
+1
Feels like
+1
545 mmHg
30%
3
m/s
SW
Climate normal
+9
+5
20 October, Sunday. day, 10°; night, 1°; partly cloudy
21
+6
−5
21 October, mon
+6
−5
Feels like
−3
539 mmHg
67%
5
m/s
SW
Climate normal
+10
+5
21 October, Monday. day, 6°; night, -5°; rain
22
−2
−4
22 October, tue
−2
−4
Feels like
−12
541 mmHg
41%
6.2
m/s
W
Climate normal
+10
+5
22 October, Tuesday. day, -2°; night, -4°; clear
23
+6
+1
23 October, wed
+6
+1
Feels like
−6
537 mmHg
43%
7.8
m/s
SW
Climate normal
+12
+6
23 October, Wednesday. day, 6°; night, 1°; mostly clear
24
+3
0
24 October, thu
+3
0
Feels like
−4
542 mmHg
75%
4.8
m/s
W
Climate normal
+12
+3
24 October, Thursday. day, 3°; night, 0°; sleet
25
+7
+4
25 October, fri
+7
+4
Feels like
−5
541 mmHg
57%
9.5
m/s
SW
Climate normal
+7
+2
25 October, Friday. day, 7°; night, 4°; mostly clear
26
+12
+4
26 October, sat
+12
+4
Feels like
+3
545 mmHg
50%
5.8
m/s
SW
Climate normal
+6
0
26 October, Saturday. day, 12°; night, 4°; clear
27
+11
+5
27 October, sun
+11
+5
Feels like
+1
543 mmHg
47%
5.7
m/s
SW
Climate normal
+7
+2
27 October, Sunday. day, 11°; night, 5°; clear
28
+10
+3
28 October, mon
+10
+3
Feels like
+3
541 mmHg
48%
4.5
m/s
SW
Climate normal
+10
+4
28 October, Monday. day, 10°; night, 3°; mostly clear
29
+5
0
29 October, tue
+5
0
Feels like
−3
539 mmHg
55%
5.9
m/s
SE
Climate normal
+8
+3
29 October, Tuesday. day, 5°; night, 0°; mostly clear
30
+7
0
30 October, wed
+7
0
Feels like
−2
541 mmHg
54%
5.3
m/s
S
Climate normal
+9
+6
30 October, Wednesday. day, 7°; night, 0°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
31
+11
+5
31 October, thu
+11
+5
Feels like
+6
646 mmHg
40%
6
m/s
W
31 October, Thursday. day, 11°; night, 5°; partly cloudy
1 November
+9
+4
1 November, fri
+9
+4
Feels like
+4
648 mmHg
41%
5.9
m/s
W
1 November, Friday. day, 9°; night, 4°; clear
2
+9
+4
2 November, sat
+9
+4
Feels like
+4
647 mmHg
40%
5
m/s
SW
2 November, Saturday. day, 9°; night, 4°; partly cloudy
Average for 30 days
25
sunny days
2
days with precipitation
3
cloudy days
25 sunny days; 2 days with precipitation; 3 cloudy days;
42
%
air humidity
4.7
m/s
Wind
W
1
mm of precipitation
(1% of annual average)
air humidity 42%; 1 millimeters of precipitation (1% of annual average); Wind westerly 4.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
W
E
W
W
W
W
W
W
W
W
W
NW
N
NW
E
E
SW
W
SW
SW
W
SW
W
SW
SW
SW
SW
SE
S
1
October
Average data for 10 years
2
3
4
5
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
Daytime temperature
Night-time temperature
