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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
May
+12
+6
6 May, mon
+12
+6
Feels like
−3
609 mmHg
39%
17.4
m/s
W
Climate normal
+13
+6
6 May, Monday. day, 12°; night, 6°; mostly clear
7
+13
+4
7 May, tue
+13
+4
Feels like
+1
612 mmHg
39%
11
m/s
W
Climate normal
+9
+4
7 May, Tuesday. day, 13°; night, 4°; mostly clear
8
+14
+5
8 May, wed
+14
+5
Feels like
+1
616 mmHg
33%
11.4
m/s
W
Climate normal
+10
+4
8 May, Wednesday. day, 14°; night, 5°; mostly clear
9
+12
+5
9 May, thu
+12
+5
Feels like
+6
628 mmHg
68%
3.8
m/s
NE
Climate normal
+10
+5
9 May, Thursday. day, 12°; night, 5°; overcast
10
+16
+7
10 May, fri
+16
+7
Feels like
+9
630 mmHg
58%
3.1
m/s
E
Climate normal
+9
+3
10 May, Friday. day, 16°; night, 7°; partly cloudy
11
+19
+9
11 May, sat
+19
+9
Feels like
+9
625 mmHg
49%
4.7
m/s
W
Climate normal
+10
+5
11 May, Saturday. day, 19°; night, 9°; mostly clear
12
+21
+8
12 May, sun
+21
+8
Feels like
+11
624 mmHg
40%
4.6
m/s
E
Climate normal
+12
+5
12 May, Sunday. day, 21°; night, 8°; mostly clear
13
+22
+10
13 May, mon
+22
+10
Feels like
+13
627 mmHg
44%
3.9
m/s
W
Climate normal
+11
+5
13 May, Monday. day, 22°; night, 10°; mostly clear
14
+24
+11
14 May, tue
+24
+11
Feels like
+15
627 mmHg
48%
5.4
m/s
W
Climate normal
+11
+6
14 May, Tuesday. day, 24°; night, 11°; partly cloudy
15
+24
+10
15 May, wed
+24
+10
Feels like
+15
627 mmHg
51%
3.7
m/s
E
Climate normal
+13
+7
15 May, Wednesday. day, 24°; night, 10°; mostly clear
16
+24
+11
16 May, thu
+24
+11
Feels like
+15
626 mmHg
51%
3.3
m/s
NE
Climate normal
+14
+7
16 May, Thursday. day, 24°; night, 11°; partly cloudy
17
+18
+9
17 May, fri
+18
+9
Feels like
+12
628 mmHg
68%
4.1
m/s
N
Climate normal
+12
+6
17 May, Friday. day, 18°; night, 9°; partly cloudy
18
+13
+5
18 May, sat
+13
+5
Feels like
+7
547 mmHg
75%
1.5
m/s
NW
Climate normal
+12
+7
18 May, Saturday. day, 13°; night, 5°; light rain
19
+16
+7
19 May, sun
+16
+7
Feels like
+8
548 mmHg
60%
2.5
m/s
NW
Climate normal
+12
+6
19 May, Sunday. day, 16°; night, 7°; mostly clear
20
+17
+8
20 May, mon
+17
+8
Feels like
+10
547 mmHg
63%
1.9
m/s
SW
Climate normal
+14
+8
20 May, Monday. day, 17°; night, 8°; rain
21
+15
+7
21 May, tue
+15
+7
Feels like
+10
547 mmHg
73%
3.9
m/s
S
Climate normal
+16
+9
21 May, Tuesday. day, 15°; night, 7°; rain
22
+16
+5
22 May, wed
+16
+5
Feels like
+8
546 mmHg
53%
3.3
m/s
SW
Climate normal
+14
+7
22 May, Wednesday. day, 16°; night, 5°; mostly clear
23
+15
+4
23 May, thu
+15
+4
Feels like
+5
546 mmHg
43%
3.9
m/s
W
Climate normal
+13
+7
23 May, Thursday. day, 15°; night, 4°; clear
24
+19
+6
24 May, fri
+19
+6
Feels like
+8
547 mmHg
43%
2.4
m/s
W
Climate normal
+14
+7
24 May, Friday. day, 19°; night, 6°; clear
25
+18
+6
25 May, sat
+18
+6
Feels like
+9
549 mmHg
65%
2.8
m/s
SE
Climate normal
+15
+8
25 May, Saturday. day, 18°; night, 6°; light rain
26
+18
+7
26 May, sun
+18
+7
Feels like
+9
546 mmHg
50%
4
m/s
W
Climate normal
+16
+10
26 May, Sunday. day, 18°; night, 7°; partly cloudy
27
+17
+6
27 May, mon
+17
+6
Feels like
+8
545 mmHg
56%
2.5
m/s
NW
Climate normal
+15
+8
27 May, Monday. day, 17°; night, 6°; rain
28
+17
+7
28 May, tue
+17
+7
Feels like
+8
546 mmHg
69%
2.2
m/s
W
Climate normal
+16
+9
28 May, Tuesday. day, 17°; night, 7°; rain
29
+17
+7
29 May, wed
+17
+7
Feels like
+10
548 mmHg
58%
2.8
m/s
NW
Climate normal
+16
+9
29 May, Wednesday. day, 17°; night, 7°; clear
30
+23
+10
30 May, thu
+23
+10
Feels like
+13
549 mmHg
48%
2.3
m/s
NW
Climate normal
+18
+11
30 May, Thursday. day, 23°; night, 10°; clear
31
+22
+9
31 May, fri
+22
+9
Feels like
+13
545 mmHg
47%
3.7
m/s
SW
Climate normal
+17
+10
31 May, Friday. day, 22°; night, 9°; mostly clear
1 June
+21
+9
1 June, sat
+21
+9
Feels like
+10
545 mmHg
28%
3.5
m/s
SW
Climate normal
+19
+11
1 June, Saturday. day, 21°; night, 9°; clear
2
+19
+10
2 June, sun
+19
+10
Feels like
+9
548 mmHg
24%
3.5
m/s
SW
Climate normal
+19
+12
2 June, Sunday. day, 19°; night, 10°; mostly clear
3
+21
+8
3 June, mon
+21
+8
Feels like
+9
549 mmHg
39%
2.7
m/s
SW
Climate normal
+20
+13
3 June, Monday. day, 21°; night, 8°; light rain
4
+18
+9
4 June, tue
+18
+9
Feels like
+11
547 mmHg
69%
2.7
m/s
W
Climate normal
+18
+12
4 June, Tuesday. day, 18°; night, 9°; light rain
Average data for 10 years
Next, the average data for 10 years
5
+19
+11
5 June, wed
+19
+11
Feels like
+15
644 mmHg
44%
6.5
m/s
SE
5 June, Wednesday. day, 19°; night, 11°; partly cloudy
6
+19
+11
6 June, thu
+19
+11
Feels like
+15
644 mmHg
41%
6.3
m/s
S
6 June, Thursday. day, 19°; night, 11°; rain
7
+18
+11
7 June, fri
+18
+11
Feels like
+14
644 mmHg
41%
5.1
m/s
E
7 June, Friday. day, 18°; night, 11°; partly cloudy
8
+20
+12
8 June, sat
+20
+12
Feels like
+16
644 mmHg
36%
7.1
m/s
W
8 June, Saturday. day, 20°; night, 12°; clear
Average for 30 days
18
sunny days
6
days with precipitation
6
cloudy days
18 sunny days; 6 days with precipitation; 6 cloudy days;
52
%
air humidity
4.3
m/s
Wind
W
6
mm of precipitation
(2% of annual average)
air humidity 52%; 6 millimeters of precipitation (2% of annual average); Wind westerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
NE
E
W
E
W
W
E
NE
N
NW
NW
SW
S
SW
W
W
SE
W
NW
W
NW
NW
SW
SW
SW
SW
W
6
Average data for 10 years
7
8
9
10
11
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
Daytime temperature
Night-time temperature
