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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
5
+15
+8
5 May, sun
+15
+8
Feels like
+10
642 mmHg
40%
6.3
m/s
SW
5 May, Sunday. day, 15°; night, 8°; overcast
6
+13
+6
6 May, mon
+13
+6
Feels like
+9
643 mmHg
46%
5.5
m/s
SE
6 May, Monday. day, 13°; night, 6°; rain
7
+9
+4
7 May, tue
+9
+4
Feels like
+5
644 mmHg
60%
5.6
m/s
E
7 May, Tuesday. day, 9°; night, 4°; rain
8
+10
+4
8 May, wed
+10
+4
Feels like
+6
643 mmHg
51%
5.5
m/s
SE
8 May, Wednesday. day, 10°; night, 4°; clear
9
+10
+5
9 May, thu
+10
+5
Feels like
+6
643 mmHg
52%
5
m/s
SE
9 May, Thursday. day, 10°; night, 5°; rain
10
+9
+3
10 May, fri
+9
+3
Feels like
+4
645 mmHg
62%
5.9
m/s
NE
10 May, Friday. day, 9°; night, 3°; rain
11
May
+18
+9
11 May, sat
+18
+9
Feels like
+10
620 mmHg
55%
3.7
m/s
E
Climate normal
+10
+5
11 May, Saturday. day, 18°; night, 9°; light rain
12
+20
+8
12 May, sun
+20
+8
Feels like
+10
618 mmHg
47%
7.6
m/s
N
Climate normal
+12
+5
12 May, Sunday. day, 20°; night, 8°; light rain
13
+22
+11
13 May, mon
+22
+11
Feels like
+13
621 mmHg
52%
5.1
m/s
E
Climate normal
+11
+5
13 May, Monday. day, 22°; night, 11°; light rain
14
+24
+9
14 May, tue
+24
+9
Feels like
+15
621 mmHg
41%
5
m/s
W
Climate normal
+11
+6
14 May, Tuesday. day, 24°; night, 9°; light rain
15
+16
+8
15 May, wed
+16
+8
Feels like
+12
624 mmHg
75%
3.3
m/s
NE
Climate normal
+13
+7
15 May, Wednesday. day, 16°; night, 8°; partly cloudy
16
+21
+11
16 May, thu
+21
+11
Feels like
+12
623 mmHg
48%
4
m/s
W
Climate normal
+14
+7
16 May, Thursday. day, 21°; night, 11°; mostly clear
17
+25
+12
17 May, fri
+25
+12
Feels like
+14
619 mmHg
36%
7.3
m/s
W
Climate normal
+12
+6
17 May, Friday. day, 25°; night, 12°; clear
18
+24
+13
18 May, sat
+24
+13
Feels like
+14
624 mmHg
44%
6.5
m/s
W
Climate normal
+12
+7
18 May, Saturday. day, 24°; night, 13°; mostly clear
19
+26
+13
19 May, sun
+26
+13
Feels like
+15
626 mmHg
37%
5.4
m/s
W
Climate normal
+12
+6
19 May, Sunday. day, 26°; night, 13°; clear
20
+23
+13
20 May, mon
+23
+13
Feels like
+15
626 mmHg
52%
4.2
m/s
W
Climate normal
+14
+8
20 May, Monday. day, 23°; night, 13°; partly cloudy
21
+20
+9
21 May, tue
+20
+9
Feels like
+12
625 mmHg
55%
4.1
m/s
NW
Climate normal
+16
+9
21 May, Tuesday. day, 20°; night, 9°; partly cloudy
22
+19
+9
22 May, wed
+19
+9
Feels like
+13
626 mmHg
67%
3.9
m/s
NW
Climate normal
+14
+7
22 May, Wednesday. day, 19°; night, 9°; partly cloudy
23
+18
+5
23 May, thu
+18
+5
Feels like
+11
626 mmHg
64%
4.8
m/s
N
Climate normal
+13
+7
23 May, Thursday. day, 18°; night, 5°; partly cloudy
24
+19
+7
24 May, fri
+19
+7
Feels like
+11
548 mmHg
63%
2.2
m/s
SW
Climate normal
+14
+7
24 May, Friday. day, 19°; night, 7°; light rain
25
+21
+9
25 May, sat
+21
+9
Feels like
+11
547 mmHg
60%
2.4
m/s
NW
Climate normal
+15
+8
25 May, Saturday. day, 21°; night, 9°; light rain
26
+19
+8
26 May, sun
+19
+8
Feels like
+11
548 mmHg
69%
2.2
m/s
SW
Climate normal
+16
+10
26 May, Sunday. day, 19°; night, 8°; rain
27
+18
+8
27 May, mon
+18
+8
Feels like
+11
547 mmHg
56%
2.7
m/s
W
Climate normal
+15
+8
27 May, Monday. day, 18°; night, 8°; mostly clear
28
+20
+8
28 May, tue
+20
+8
Feels like
+10
548 mmHg
47%
2.9
m/s
W
Climate normal
+16
+9
28 May, Tuesday. day, 20°; night, 8°; mostly clear
29
+13
+7
29 May, wed
+13
+7
Feels like
+8
549 mmHg
76%
3.8
m/s
E
Climate normal
+16
+9
29 May, Wednesday. day, 13°; night, 7°; light rain
30
+15
+7
30 May, thu
+15
+7
Feels like
+9
550 mmHg
74%
3.3
m/s
SE
Climate normal
+18
+11
30 May, Thursday. day, 15°; night, 7°; rain
31
+19
+9
31 May, fri
+19
+9
Feels like
+12
549 mmHg
54%
3
m/s
SW
Climate normal
+17
+10
31 May, Friday. day, 19°; night, 9°; mostly clear
1 June
+20
+8
1 June, sat
+20
+8
Feels like
+10
548 mmHg
52%
3.9
m/s
W
Climate normal
+19
+11
1 June, Saturday. day, 20°; night, 8°; light rain
2
+19
+9
2 June, sun
+19
+9
Feels like
+11
548 mmHg
49%
2.4
m/s
W
Climate normal
+19
+12
2 June, Sunday. day, 19°; night, 9°; partly cloudy
3
+19
+8
3 June, mon
+19
+8
Feels like
+10
546 mmHg
42%
3.6
m/s
NW
Climate normal
+20
+13
3 June, Monday. day, 19°; night, 8°; partly cloudy
4
+16
+5
4 June, tue
+16
+5
Feels like
+6
544 mmHg
64%
3.8
m/s
NW
Climate normal
+18
+12
4 June, Tuesday. day, 16°; night, 5°; rain
5
+4
+3
5 June, wed
+4
+3
Feels like
0
544 mmHg
100%
3.4
m/s
E
Climate normal
+19
+11
5 June, Wednesday. day, 4°; night, 3°; rain
6
+6
+3
6 June, thu
+6
+3
Feels like
0
545 mmHg
91%
3.1
m/s
E
Climate normal
+19
+11
6 June, Thursday. day, 6°; night, 3°; rain
7
+14
+5
7 June, fri
+14
+5
Feels like
+6
547 mmHg
62%
2.2
m/s
NW
Climate normal
+18
+11
7 June, Friday. day, 14°; night, 5°; mostly clear
8
+14
+6
8 June, sat
+14
+6
Feels like
+6
548 mmHg
66%
4.4
m/s
NW
Climate normal
+20
+12
8 June, Saturday. day, 14°; night, 6°; light rain
Average for 30 days
12
sunny days
11
days with precipitation
7
cloudy days
12 sunny days; 11 days with precipitation; 7 cloudy days;
59
%
air humidity
3.9
m/s
Wind
W
15
mm of precipitation
(3% of annual average)
air humidity 59%; 15 millimeters of precipitation (3% of annual average); Wind westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
N
E
W
NE
W
W
W
W
W
NW
NW
N
SW
NW
SW
W
W
E
SE
SW
W
W
NW
NW
E
E
NW
NW
SW
11
Average data for 10 years
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
June
2
3
4
5
6
7
8
9
Daytime temperature
Night-time temperature
