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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
28
+8
+2
28 April, sun
+8
+2
Feels like
+2
643 mmHg
47%
6.1
m/s
W
28 April, Sunday. day, 8°; night, 2°; rain
29
+8
+1
29 April, mon
+8
+1
Feels like
+3
643 mmHg
47%
5.5
m/s
NW
29 April, Monday. day, 8°; night, 1°; rain
30
+7
+1
30 April, tue
+7
+1
Feels like
+3
645 mmHg
55%
4.9
m/s
E
30 April, Tuesday. day, 7°; night, 1°; rain
1 May
+7
+2
1 May, wed
+7
+2
Feels like
+3
645 mmHg
56%
4
m/s
W
1 May, Wednesday. day, 7°; night, 2°; overcast
2
May
+18
+4
2 May, thu
+18
+4
Feels like
+9
617 mmHg
36%
3.5
m/s
SE
Climate normal
+10
+4
2 May, Thursday. day, 18°; night, 4°; clear
3
+22
+4
3 May, fri
+22
+4
Feels like
+6
617 mmHg
43%
8.8
m/s
W
Climate normal
+11
+5
3 May, Friday. day, 22°; night, 4°; light rain
4
+16
+6
4 May, sat
+16
+6
Feels like
+8
623 mmHg
64%
4.9
m/s
SE
Climate normal
+14
+8
4 May, Saturday. day, 16°; night, 6°; light rain
5
+23
+10
5 May, sun
+23
+10
Feels like
+9
615 mmHg
50%
9
m/s
SE
Climate normal
+15
+8
5 May, Sunday. day, 23°; night, 10°; mostly clear
6
+13
+8
6 May, mon
+13
+8
Feels like
−3
613 mmHg
37%
17.2
m/s
W
Climate normal
+13
+6
6 May, Monday. day, 13°; night, 8°; mostly clear
7
+16
+7
7 May, tue
+16
+7
Feels like
+2
615 mmHg
37%
10.5
m/s
W
Climate normal
+9
+4
7 May, Tuesday. day, 16°; night, 7°; mostly clear
8
+16
+6
8 May, wed
+16
+6
Feels like
+2
619 mmHg
41%
10.8
m/s
W
Climate normal
+10
+4
8 May, Wednesday. day, 16°; night, 6°; clear
9
+15
+7
9 May, thu
+15
+7
Feels like
+7
628 mmHg
58%
4.1
m/s
NE
Climate normal
+10
+5
9 May, Thursday. day, 15°; night, 7°; overcast
10
+12
+6
10 May, fri
+12
+6
Feels like
+7
633 mmHg
73%
3.1
m/s
E
Climate normal
+9
+3
10 May, Friday. day, 12°; night, 6°; overcast
11
+20
+8
11 May, sat
+20
+8
Feels like
+10
631 mmHg
55%
3.8
m/s
W
Climate normal
+10
+5
11 May, Saturday. day, 20°; night, 8°; partly cloudy
12
+19
+9
12 May, sun
+19
+9
Feels like
+11
627 mmHg
53%
4.9
m/s
W
Climate normal
+12
+5
12 May, Sunday. day, 19°; night, 9°; mostly clear
13
+19
+9
13 May, mon
+19
+9
Feels like
+11
628 mmHg
55%
3.9
m/s
W
Climate normal
+11
+5
13 May, Monday. day, 19°; night, 9°; partly cloudy
14
+13
0
14 May, tue
+13
0
Feels like
+4
587 mmHg
66%
3.8
m/s
W
Climate normal
+11
+6
14 May, Tuesday. day, 13°; night, 0°; light rain
15
+7
+2
15 May, wed
+7
+2
Feels like
0
548 mmHg
72%
3.1
m/s
E
Climate normal
+13
+7
15 May, Wednesday. day, 7°; night, 2°; partly cloudy
16
+8
+4
16 May, thu
+8
+4
Feels like
+3
548 mmHg
88%
2.7
m/s
E
Climate normal
+14
+7
16 May, Thursday. day, 8°; night, 4°; sleet
17
+13
+4
17 May, fri
+13
+4
Feels like
+5
547 mmHg
79%
3.8
m/s
S
Climate normal
+12
+6
17 May, Friday. day, 13°; night, 4°; rain
18
+12
+3
18 May, sat
+12
+3
Feels like
+3
545 mmHg
58%
4.3
m/s
W
Climate normal
+12
+7
18 May, Saturday. day, 12°; night, 3°; mostly clear
19
+16
+6
19 May, sun
+16
+6
Feels like
+7
547 mmHg
48%
2.3
m/s
E
Climate normal
+12
+6
19 May, Sunday. day, 16°; night, 6°; clear
20
+14
+5
20 May, mon
+14
+5
Feels like
+8
545 mmHg
67%
3.4
m/s
S
Climate normal
+14
+8
20 May, Monday. day, 14°; night, 5°; rain
21
+12
+4
21 May, tue
+12
+4
Feels like
+3
544 mmHg
57%
4.7
m/s
W
Climate normal
+16
+9
21 May, Tuesday. day, 12°; night, 4°; light rain
22
+10
0
22 May, wed
+10
0
Feels like
0
544 mmHg
64%
3.4
m/s
NW
Climate normal
+14
+7
22 May, Wednesday. day, 10°; night, 0°; sleet
23
+10
+1
23 May, thu
+10
+1
Feels like
+2
547 mmHg
57%
3
m/s
NW
Climate normal
+13
+7
23 May, Thursday. day, 10°; night, 1°; mostly clear
24
+13
+5
24 May, fri
+13
+5
Feels like
+5
548 mmHg
52%
3.4
m/s
W
Climate normal
+14
+7
24 May, Friday. day, 13°; night, 5°; mostly clear
25
+18
+6
25 May, sat
+18
+6
Feels like
+8
549 mmHg
57%
2.2
m/s
NW
Climate normal
+15
+8
25 May, Saturday. day, 18°; night, 6°; light rain
26
+19
+8
26 May, sun
+19
+8
Feels like
+11
548 mmHg
53%
2.3
m/s
SW
Climate normal
+16
+10
26 May, Sunday. day, 19°; night, 8°; mostly clear
27
+19
+8
27 May, mon
+19
+8
Feels like
+9
546 mmHg
44%
3
m/s
SW
Climate normal
+15
+8
27 May, Monday. day, 19°; night, 8°; mostly clear
28
+18
+7
28 May, tue
+18
+7
Feels like
+9
546 mmHg
37%
3.8
m/s
SW
Climate normal
+16
+9
28 May, Tuesday. day, 18°; night, 7°; partly cloudy
29
+18
+6
29 May, wed
+18
+6
Feels like
+7
547 mmHg
39%
3.7
m/s
W
Climate normal
+16
+9
29 May, Wednesday. day, 18°; night, 6°; light rain
30
+12
+4
30 May, thu
+12
+4
Feels like
+5
549 mmHg
72%
3.4
m/s
NE
Climate normal
+18
+11
30 May, Thursday. day, 12°; night, 4°; light rain
31
+15
+6
31 May, fri
+15
+6
Feels like
+7
549 mmHg
63%
2.5
m/s
E
Climate normal
+17
+10
31 May, Friday. day, 15°; night, 6°; mostly clear
Average data for 10 years
Next, the average data for 10 years
1 June
+19
+11
1 June, sat
+19
+11
Feels like
+15
645 mmHg
40%
5.8
m/s
SW
1 June, Saturday. day, 19°; night, 11°; partly cloudy
Average for 30 days
16
sunny days
8
days with precipitation
6
cloudy days
16 sunny days; 8 days with precipitation; 6 cloudy days;
56
%
air humidity
4.8
m/s
Wind
W
6
mm of precipitation
(2% of annual average)
air humidity 56%; 6 millimeters of precipitation (2% of annual average); Wind westerly 4.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
W
SE
SE
W
W
W
NE
E
W
W
W
W
E
E
S
W
E
S
W
NW
NW
W
NW
SW
SW
SW
W
NE
E
2
Average data for 10 years
3
4
5
6
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
Daytime temperature
Night-time temperature
