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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
−3
−6
22 December, sun
−3
−6
Feels like
−8
645 mmHg
64%
5.4
m/s
W
22 December, Sunday. day, -3°; night, -6°; partly cloudy
23
−2
−7
23 December, mon
−2
−7
Feels like
−8
645 mmHg
61%
5.5
m/s
W
23 December, Monday. day, -2°; night, -7°; snow
24
−2
−6
24 December, tue
−2
−6
Feels like
−7
645 mmHg
63%
5.6
m/s
W
24 December, Tuesday. day, -2°; night, -6°; clear
25
−4
−7
25 December, wed
−4
−7
Feels like
−10
645 mmHg
68%
6
m/s
W
25 December, Wednesday. day, -4°; night, -7°; clear
26
−3
−7
26 December, thu
−3
−7
Feels like
−8
646 mmHg
62%
5.8
m/s
W
26 December, Thursday. day, -3°; night, -7°; clear
27
−2
−5
27 December, fri
−2
−5
Feels like
−7
645 mmHg
57%
6.5
m/s
W
27 December, Friday. day, -2°; night, -5°; clear
28
December
+11
+6
28 December, sat
+11
+6
Feels like
−5
616 mmHg
44%
13.8
m/s
W
Climate normal
−1
−6
28 December, Saturday. day, 11°; night, 6°; light rain
29
+16
+6
29 December, sun
+16
+6
Feels like
+1
617 mmHg
36%
12.3
m/s
W
Climate normal
−4
−7
29 December, Sunday. day, 16°; night, 6°; partly cloudy
30
+6
−5
30 December, mon
+6
−5
Feels like
−10
619 mmHg
38%
16.3
m/s
W
Climate normal
+1
−9
30 December, Monday. day, 6°; night, -5°; light rain
31
+4
−6
31 December, tue
+4
−6
Feels like
−8
624 mmHg
54%
4.2
m/s
NW
Climate normal
+1
−9
31 December, Tuesday. day, 4°; night, -6°; partly cloudy
1 January
+5
0
1 January, wed
+5
0
Feels like
−7
630 mmHg
37%
6.6
m/s
W
Climate normal
−3
−7
1 January, Wednesday. day, 5°; night, 0°; partly cloudy
2
+9
−2
2 January, thu
+9
−2
Feels like
−3
630 mmHg
44%
7.1
m/s
W
Climate normal
−1
−5
2 January, Thursday. day, 9°; night, -2°; sleet
3
+11
+2
3 January, fri
+11
+2
Feels like
−1
629 mmHg
46%
4.1
m/s
W
Climate normal
−1
−6
3 January, Friday. day, 11°; night, 2°; overcast
4
+12
0
4 January, sat
+12
0
Feels like
0
627 mmHg
43%
8
m/s
W
Climate normal
−2
−6
4 January, Saturday. day, 12°; night, 0°; partly cloudy
5
+4
−2
5 January, sun
+4
−2
Feels like
−4
627 mmHg
60%
5.4
m/s
NW
Climate normal
−1
−4
5 January, Sunday. day, 4°; night, -2°; light snow
6
+2
−8
6 January, mon
+2
−8
Feels like
−7
629 mmHg
66%
4.8
m/s
W
Climate normal
−1
−4
6 January, Monday. day, 2°; night, -8°; overcast
7
−1
−6
7 January, tue
−1
−6
Feels like
−11
628 mmHg
68%
5.1
m/s
W
Climate normal
−2
−5
7 January, Tuesday. day, -1°; night, -6°; partly cloudy
8
+8
−2
8 January, wed
+8
−2
Feels like
−4
629 mmHg
60%
5.9
m/s
W
Climate normal
0
−4
8 January, Wednesday. day, 8°; night, -2°; overcast
9
−1
−7
9 January, thu
−1
−7
Feels like
−9
573 mmHg
81%
5.6
m/s
W
Climate normal
0
−5
9 January, Thursday. day, -1°; night, -7°; partly cloudy
10
−1
−7
10 January, fri
−1
−7
Feels like
−9
541 mmHg
74%
4.6
m/s
W
Climate normal
−2
−4
10 January, Friday. day, -1°; night, -7°; mostly clear
11
−3
−8
11 January, sat
−3
−8
Feels like
−10
546 mmHg
83%
4.2
m/s
W
Climate normal
−1
−6
11 January, Saturday. day, -3°; night, -8°; partly cloudy
12
−1
−8
12 January, sun
−1
−8
Feels like
−10
548 mmHg
70%
6
m/s
W
Climate normal
−3
−7
12 January, Sunday. day, -1°; night, -8°; mostly clear
13
−1
−6
13 January, mon
−1
−6
Feels like
−9
548 mmHg
65%
5
m/s
W
Climate normal
−1
−4
13 January, Monday. day, -1°; night, -6°; mostly clear
14
0
−5
14 January, tue
0
−5
Feels like
−9
544 mmHg
62%
5.4
m/s
W
Climate normal
−2
−5
14 January, Tuesday. day, 0°; night, -5°; mostly clear
15
−1
−8
15 January, wed
−1
−8
Feels like
−10
541 mmHg
73%
5.7
m/s
W
Climate normal
+1
−3
15 January, Wednesday. day, -1°; night, -8°; mostly clear
16
−3
−9
16 January, thu
−3
−9
Feels like
−9
545 mmHg
73%
1.3
m/s
NW
Climate normal
0
−4
16 January, Thursday. day, -3°; night, -9°; partly cloudy
17
−3
−6
17 January, fri
−3
−6
Feels like
−12
546 mmHg
59%
5.4
m/s
W
Climate normal
0
−3
17 January, Friday. day, -3°; night, -6°; mostly clear
18
−2
−8
18 January, sat
−2
−8
Feels like
−10
547 mmHg
79%
4.1
m/s
W
Climate normal
+2
−2
18 January, Saturday. day, -2°; night, -8°; mostly clear
19
−1
−4
19 January, sun
−1
−4
Feels like
−9
545 mmHg
59%
6.1
m/s
W
Climate normal
+3
−3
19 January, Sunday. day, -1°; night, -4°; partly cloudy
20
+1
−3
20 January, mon
+1
−3
Feels like
−6
547 mmHg
82%
5.6
m/s
W
Climate normal
+1
−5
20 January, Monday. day, 1°; night, -3°; partly cloudy
21
+3
−5
21 January, tue
+3
−5
Feels like
−5
542 mmHg
68%
7.1
m/s
SW
Climate normal
0
−3
21 January, Tuesday. day, 3°; night, -5°; mostly clear
22
−6
−14
22 January, wed
−6
−14
Feels like
−15
545 mmHg
66%
5.8
m/s
N
Climate normal
+1
−4
22 January, Wednesday. day, -6°; night, -14°; light snow
23
−8
−12
23 January, thu
−8
−12
Feels like
−17
548 mmHg
65%
5.7
m/s
W
Climate normal
0
−4
23 January, Thursday. day, -8°; night, -12°; clear
24
−4
−11
24 January, fri
−4
−11
Feels like
−13
542 mmHg
61%
6
m/s
W
Climate normal
0
−4
24 January, Friday. day, -4°; night, -11°; mostly clear
25
−6
−13
25 January, sat
−6
−13
Feels like
−14
542 mmHg
63%
3.5
m/s
NW
Climate normal
0
−4
25 January, Saturday. day, -6°; night, -13°; clear
Average for 30 days
11
sunny days
5
days with precipitation
14
cloudy days
11 sunny days; 5 days with precipitation; 14 cloudy days;
61
%
air humidity
6.2
m/s
Wind
W
2
mm of precipitation
(1% of annual average)
air humidity 61%; 2 millimeters of precipitation (1% of annual average); Wind westerly 6.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
NW
W
W
W
W
NW
W
W
W
W
W
W
W
W
W
W
NW
W
W
W
W
SW
N
W
W
NW
W
28
Average data for 10 years
29
30
31
1
January
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
Daytime temperature
Night-time temperature
