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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
+5
28 December, sat
+11
+5
Feels like
−3
616 mmHg
44%
12.2
m/s
W
Climate normal
−1
−6
28 December, Saturday. day, 11°; night, 5°; light rain
29
+16
+6
29 December, sun
+16
+6
Feels like
+1
617 mmHg
37%
11.4
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
−11
619 mmHg
35%
16.7
m/s
W
Climate normal
+1
−9
30 December, Monday. day, 6°; night, -5°; partly cloudy
31
+3
−6
31 December, tue
+3
−6
Feels like
−7
619 mmHg
47%
4.6
m/s
NW
Climate normal
+1
−9
31 December, Tuesday. day, 3°; night, -6°; partly cloudy
1 January
+6
0
1 January, wed
+6
0
Feels like
−7
627 mmHg
35%
6.6
m/s
W
Climate normal
−3
−7
1 January, Wednesday. day, 6°; night, 0°; overcast
2
+8
−2
2 January, thu
+8
−2
Feels like
−4
629 mmHg
47%
7.3
m/s
W
Climate normal
−1
−5
2 January, Thursday. day, 8°; night, -2°; snow
3
+11
+2
3 January, fri
+11
+2
Feels like
−1
631 mmHg
47%
4.8
m/s
W
Climate normal
−1
−6
3 January, Friday. day, 11°; night, 2°; overcast
4
+12
−2
4 January, sat
+12
−2
Feels like
−1
624 mmHg
46%
7.5
m/s
W
Climate normal
−2
−6
4 January, Saturday. day, 12°; night, -2°; sleet
5
+4
−4
5 January, sun
+4
−4
Feels like
−7
630 mmHg
46%
7.3
m/s
W
Climate normal
−1
−4
5 January, Sunday. day, 4°; night, -4°; overcast
6
+2
−6
6 January, mon
+2
−6
Feels like
−8
628 mmHg
58%
5.7
m/s
W
Climate normal
−1
−4
6 January, Monday. day, 2°; night, -6°; partly cloudy
7
−1
−10
7 January, tue
−1
−10
Feels like
−11
626 mmHg
58%
5.5
m/s
W
Climate normal
−2
−5
7 January, Tuesday. day, -1°; night, -10°; partly cloudy
8
+4
−3
8 January, wed
+4
−3
Feels like
−7
628 mmHg
62%
6.2
m/s
W
Climate normal
0
−4
8 January, Wednesday. day, 4°; night, -3°; partly cloudy
9
−1
−9
9 January, thu
−1
−9
Feels like
−12
627 mmHg
68%
4.8
m/s
W
Climate normal
0
−5
9 January, Thursday. day, -1°; night, -9°; overcast
10
−1
−8
10 January, fri
−1
−8
Feels like
−8
546 mmHg
82%
3.8
m/s
W
Climate normal
−2
−4
10 January, Friday. day, -1°; night, -8°; clear
11
0
−7
11 January, sat
0
−7
Feels like
−10
545 mmHg
72%
5.3
m/s
W
Climate normal
−1
−6
11 January, Saturday. day, 0°; night, -7°; clear
12
−1
−6
12 January, sun
−1
−6
Feels like
−9
543 mmHg
65%
4.5
m/s
W
Climate normal
−3
−7
12 January, Sunday. day, -1°; night, -6°; clear
13
−1
−6
13 January, mon
−1
−6
Feels like
−9
541 mmHg
63%
4.6
m/s
W
Climate normal
−1
−4
13 January, Monday. day, -1°; night, -6°; light snow
14
−3
−7
14 January, tue
−3
−7
Feels like
−10
547 mmHg
83%
4.4
m/s
W
Climate normal
−2
−5
14 January, Tuesday. day, -3°; night, -7°; mostly clear
15
+2
−2
15 January, wed
+2
−2
Feels like
−5
548 mmHg
86%
4.6
m/s
W
Climate normal
+1
−3
15 January, Wednesday. day, 2°; night, -2°; partly cloudy
16
+3
−1
16 January, thu
+3
−1
Feels like
−4
547 mmHg
84%
4.6
m/s
W
Climate normal
0
−4
16 January, Thursday. day, 3°; night, -1°; partly cloudy
17
+4
−1
17 January, fri
+4
−1
Feels like
−4
544 mmHg
81%
5.7
m/s
W
Climate normal
0
−3
17 January, Friday. day, 4°; night, -1°; partly cloudy
18
+1
−6
18 January, sat
+1
−6
Feels like
−9
546 mmHg
61%
5.3
m/s
W
Climate normal
+2
−2
18 January, Saturday. day, 1°; night, -6°; clear
19
0
−7
19 January, sun
0
−7
Feels like
−7
546 mmHg
58%
2.9
m/s
W
Climate normal
+3
−3
19 January, Sunday. day, 0°; night, -7°; partly cloudy
20
−2
−7
20 January, mon
−2
−7
Feels like
−10
547 mmHg
44%
2.1
m/s
SW
Climate normal
+1
−5
20 January, Monday. day, -2°; night, -7°; clear
21
−1
−7
21 January, tue
−1
−7
Feels like
−9
545 mmHg
44%
4.1
m/s
W
Climate normal
0
−3
21 January, Tuesday. day, -1°; night, -7°; mostly clear
22
0
−4
22 January, wed
0
−4
Feels like
−7
547 mmHg
57%
4.1
m/s
W
Climate normal
+1
−4
22 January, Wednesday. day, 0°; night, -4°; mostly clear
23
+4
−4
23 January, thu
+4
−4
Feels like
−5
545 mmHg
41%
4.5
m/s
W
Climate normal
0
−4
23 January, Thursday. day, 4°; night, -4°; clear
24
+3
−5
24 January, fri
+3
−5
Feels like
−6
544 mmHg
45%
3.5
m/s
SW
Climate normal
0
−4
24 January, Friday. day, 3°; night, -5°; partly cloudy
25
−4
−6
25 January, sat
−4
−6
Feels like
−10
545 mmHg
90%
3.6
m/s
E
Climate normal
0
−4
25 January, Saturday. day, -4°; night, -6°; light snow
Average for 30 days
9
sunny days
5
days with precipitation
16
cloudy days
9 sunny days; 5 days with precipitation; 16 cloudy days;
59
%
air humidity
5.7
m/s
Wind
W
3
mm of precipitation
(1% of annual average)
air humidity 59%; 3 millimeters of precipitation (1% of annual average); Wind westerly 5.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
NW
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
SW
W
W
W
SW
E
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
