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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
December
+9
+2
27 December, fri
+9
+2
Feels like
−2
614 mmHg
41%
6.6
m/s
W
Climate normal
−2
−5
27 December, Friday. day, 9°; night, 2°; overcast
28
+11
+6
28 December, sat
+11
+6
Feels like
−4
616 mmHg
43%
13
m/s
W
Climate normal
−1
−6
28 December, Saturday. day, 11°; night, 6°; overcast
29
+16
+6
29 December, sun
+16
+6
Feels like
+1
616 mmHg
35%
11.6
m/s
W
Climate normal
−4
−7
29 December, Sunday. day, 16°; night, 6°; partly cloudy
30
+6
−4
30 December, mon
+6
−4
Feels like
−12
619 mmHg
35%
18.2
m/s
W
Climate normal
+1
−9
30 December, Monday. day, 6°; night, -4°; overcast
31
+4
−6
31 December, tue
+4
−6
Feels like
−9
629 mmHg
46%
8.7
m/s
W
Climate normal
+1
−9
31 December, Tuesday. day, 4°; night, -6°; mostly clear
1 January
+7
0
1 January, wed
+7
0
Feels like
−6
630 mmHg
31%
5.6
m/s
W
Climate normal
−3
−7
1 January, Wednesday. day, 7°; night, 0°; partly cloudy
2
+10
0
2 January, thu
+10
0
Feels like
−4
629 mmHg
36%
9.5
m/s
W
Climate normal
−1
−5
2 January, Thursday. day, 10°; night, 0°; overcast
3
+10
0
3 January, fri
+10
0
Feels like
−1
629 mmHg
43%
5.3
m/s
W
Climate normal
−1
−6
3 January, Friday. day, 10°; night, 0°; overcast
4
+12
0
4 January, sat
+12
0
Feels like
−3
624 mmHg
35%
9.8
m/s
W
Climate normal
−2
−6
4 January, Saturday. day, 12°; night, 0°; partly cloudy
5
+5
−4
5 January, sun
+5
−4
Feels like
−6
630 mmHg
42%
7.4
m/s
W
Climate normal
−1
−4
5 January, Sunday. day, 5°; night, -4°; partly cloudy
6
+3
−2
6 January, mon
+3
−2
Feels like
−9
627 mmHg
56%
8.7
m/s
W
Climate normal
−1
−4
6 January, Monday. day, 3°; night, -2°; partly cloudy
7
+8
−2
7 January, tue
+8
−2
Feels like
−5
628 mmHg
60%
7.8
m/s
W
Climate normal
−2
−5
7 January, Tuesday. day, 8°; night, -2°; overcast
8
+8
−9
8 January, wed
+8
−9
Feels like
−7
608 mmHg
65%
9.1
m/s
W
Climate normal
0
−4
8 January, Wednesday. day, 8°; night, -9°; partly cloudy
9
0
−7
9 January, thu
0
−7
Feels like
−8
545 mmHg
96%
4.6
m/s
W
Climate normal
0
−5
9 January, Thursday. day, 0°; night, -7°; partly cloudy
10
−1
−7
10 January, fri
−1
−7
Feels like
−9
541 mmHg
93%
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
93%
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
92%
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
96%
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
−8
544 mmHg
95%
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
−9
541 mmHg
93%
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
96%
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
−11
546 mmHg
97%
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
−9
547 mmHg
95%
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
96%
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
99%
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
97%
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
93%
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
97%
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
98%
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
−13
542 mmHg
93%
3.5
m/s
NW
Climate normal
0
−4
25 January, Saturday. day, -6°; night, -13°; clear
Average for 30 days
12
sunny days
1
day with precipitation
17
cloudy days
12 sunny days; 1 day with precipitation; 17 cloudy days;
73
%
air humidity
6.9
m/s
Wind
W
0.3
mm of precipitation
(1% of annual average)
air humidity 73%; 0.3 millimeters of precipitation (1% of annual average); Wind westerly 6.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
NW
W
W
W
W
SW
N
W
W
NW
27
Average data for 10 years
28
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
Daytime temperature
Night-time temperature
