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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
22
+16
+9
22 September, sun
+16
+9
Feels like
+11
647 mmHg
46%
5.8
m/s
E
22 September, Sunday. day, 16°; night, 9°; clear
23
+26
+10
23 September, mon
+26
+10
Feels like
+13
627 mmHg
43%
3.8
m/s
W
Climate normal
+17
+11
23 September, Monday. day, 26°; night, 10°; partly cloudy
24
September
+25
+11
24 September, tue
+25
+11
Feels like
+18
631 mmHg
39%
3.6
m/s
E
Climate normal
+17
+11
24 September, Tuesday. day, 25°; night, 11°; partly cloudy
25
+30
+14
25 September, wed
+30
+14
Feels like
+21
631 mmHg
38%
3.3
m/s
E
Climate normal
+18
+12
25 September, Wednesday. day, 30°; night, 14°; clear
26
+31
+17
26 September, thu
+31
+17
Feels like
+23
632 mmHg
33%
4.2
m/s
W
Climate normal
+17
+11
26 September, Thursday. day, 31°; night, 17°; mostly clear
27
+29
+16
27 September, fri
+29
+16
Feels like
+19
632 mmHg
36%
4.7
m/s
W
Climate normal
+16
+11
27 September, Friday. day, 29°; night, 16°; mostly clear
28
+29
+15
28 September, sat
+29
+15
Feels like
+20
631 mmHg
42%
4.4
m/s
E
Climate normal
+16
+10
28 September, Saturday. day, 29°; night, 15°; mostly clear
29
+30
+17
29 September, sun
+30
+17
Feels like
+19
631 mmHg
39%
4.5
m/s
W
Climate normal
+17
+10
29 September, Sunday. day, 30°; night, 17°; mostly clear
30
+28
+11
30 September, mon
+28
+11
Feels like
+17
631 mmHg
39%
5.6
m/s
W
Climate normal
+16
+9
30 September, Monday. day, 28°; night, 11°; mostly clear
1 October
+22
+11
1 October, tue
+22
+11
Feels like
+12
634 mmHg
51%
4.9
m/s
SW
Climate normal
+14
+8
1 October, Tuesday. day, 22°; night, 11°; mostly clear
2
+27
+11
2 October, wed
+27
+11
Feels like
+14
628 mmHg
40%
6.9
m/s
W
Climate normal
+14
+9
2 October, Wednesday. day, 27°; night, 11°; partly cloudy
3
+23
+10
3 October, thu
+23
+10
Feels like
+12
632 mmHg
46%
5.6
m/s
W
Climate normal
+14
+6
3 October, Thursday. day, 23°; night, 10°; mostly clear
4
+27
+13
4 October, fri
+27
+13
Feels like
+14
632 mmHg
36%
5.1
m/s
W
Climate normal
+12
+6
4 October, Friday. day, 27°; night, 13°; clear
5
+29
+14
5 October, sat
+29
+14
Feels like
+17
633 mmHg
37%
6.5
m/s
W
Climate normal
+11
+5
5 October, Saturday. day, 29°; night, 14°; clear
6
+20
+6
6 October, sun
+20
+6
Feels like
+11
590 mmHg
40%
4.4
m/s
W
Climate normal
+12
+6
6 October, Sunday. day, 20°; night, 6°; clear
7
+16
+2
7 October, mon
+16
+2
Feels like
+7
547 mmHg
33%
2.6
m/s
NE
Climate normal
+11
+5
7 October, Monday. day, 16°; night, 2°; clear
8
+14
+2
8 October, tue
+14
+2
Feels like
+5
546 mmHg
33%
3.3
m/s
W
Climate normal
+10
+4
8 October, Tuesday. day, 14°; night, 2°; clear
9
+16
+1
9 October, wed
+16
+1
Feels like
+6
548 mmHg
33%
2
m/s
NE
Climate normal
+10
+5
9 October, Wednesday. day, 16°; night, 1°; clear
10
+13
+2
10 October, thu
+13
+2
Feels like
+4
550 mmHg
37%
3.1
m/s
NW
Climate normal
+12
+7
10 October, Thursday. day, 13°; night, 2°; clear
11
+15
+5
11 October, fri
+15
+5
Feels like
+5
552 mmHg
45%
2.4
m/s
NW
Climate normal
+10
+4
11 October, Friday. day, 15°; night, 5°; clear
12
+14
+5
12 October, sat
+14
+5
Feels like
+5
550 mmHg
27%
3.2
m/s
W
Climate normal
+10
+4
12 October, Saturday. day, 14°; night, 5°; clear
13
+14
+2
13 October, sun
+14
+2
Feels like
+5
549 mmHg
31%
3.2
m/s
NW
Climate normal
+11
+6
13 October, Sunday. day, 14°; night, 2°; mostly clear
14
+14
+2
14 October, mon
+14
+2
Feels like
+4
551 mmHg
43%
2.1
m/s
E
Climate normal
+12
+6
14 October, Monday. day, 14°; night, 2°; clear
15
+15
+5
15 October, tue
+15
+5
Feels like
+4
551 mmHg
34%
3.1
m/s
W
Climate normal
+13
+7
15 October, Tuesday. day, 15°; night, 5°; clear
16
+15
+1
16 October, wed
+15
+1
Feels like
+5
549 mmHg
23%
3.3
m/s
NW
Climate normal
+13
+6
16 October, Wednesday. day, 15°; night, 1°; clear
17
+14
+7
17 October, thu
+14
+7
Feels like
+5
546 mmHg
28%
3
m/s
NW
Climate normal
+11
+6
17 October, Thursday. day, 14°; night, 7°; mostly clear
18
+9
+1
18 October, fri
+9
+1
Feels like
+1
547 mmHg
36%
3.9
m/s
NW
Climate normal
+13
+7
18 October, Friday. day, 9°; night, 1°; clear
19
+12
+3
19 October, sat
+12
+3
Feels like
+2
549 mmHg
33%
4.5
m/s
W
Climate normal
+12
+6
19 October, Saturday. day, 12°; night, 3°; clear
20
+13
+4
20 October, sun
+13
+4
Feels like
+3
549 mmHg
36%
3.3
m/s
W
Climate normal
+9
+5
20 October, Sunday. day, 13°; night, 4°; clear
21
+12
+6
21 October, mon
+12
+6
Feels like
+3
544 mmHg
34%
4.6
m/s
W
Climate normal
+10
+5
21 October, Monday. day, 12°; night, 6°; clear
22
+5
−5
22 October, tue
+5
−5
Feels like
−3
546 mmHg
45%
2.6
m/s
E
Climate normal
+10
+5
22 October, Tuesday. day, 5°; night, -5°; mostly clear
23
+8
0
23 October, wed
+8
0
Feels like
−3
547 mmHg
34%
3.1
m/s
W
Climate normal
+12
+6
23 October, Wednesday. day, 8°; night, 0°; clear
Average data for 10 years
Next, the average data for 10 years
24
+12
+3
24 October, thu
+12
+3
Feels like
+7
646 mmHg
37%
5.5
m/s
W
24 October, Thursday. day, 12°; night, 3°; partly cloudy
25
+7
+2
25 October, fri
+7
+2
Feels like
+1
647 mmHg
52%
6.3
m/s
W
25 October, Friday. day, 7°; night, 2°; clear
26
+6
0
26 October, sat
+6
0
Feels like
+1
648 mmHg
47%
5.5
m/s
SW
26 October, Saturday. day, 6°; night, 0°; clear
Average for 30 days
28
sunny days
0
days with precipitation
2
cloudy days
28 sunny days; 0 days with precipitation; 2 cloudy days;
37
%
air humidity
3.9
m/s
Wind
W
0
mm of precipitation
air humidity 37%; 0 millimeters of precipitation; Wind westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
E
W
W
E
W
W
SW
W
W
W
W
W
NE
W
NE
NW
NW
W
NW
E
W
NW
NW
NW
W
W
W
E
W
24
Average data for 10 years
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
20
21
22
23
Daytime temperature
Night-time temperature
