Weather Forecast for Boulder
Colorado, United States of America
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Current Weather - Boulder: 14°C
Current Weather - Boulder: 14°C
Colorado, United States of America
Sunny
Feels like 13°C
Wind
7 km/h W
Humidity
76%
Pressure
1015 mb
UV Index
0
Visibility
10 km
Sunny
Friday, August 14, 2026
High
29°C
Low
12°C
Rain Chance
57%
Hourly Forecast
26°C
23°C
26°C
24°C
20°C
18°C
17°C
15°C
16°C
Day Statistics
Maximum Wind
15 km/h
Humidity
66%
Precipitation
3 mm
UV Index
9
Visibility
9 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
07:59 PM
Moonrise
08:14 AM
Moonset
08:59 PM
Moon Phase
Waxing Crescent
Moon Illumination
5%
Air Quality
PM2.5
5.7
μg/m³
PM10
6
μg/m³
NO₂
7.2
μg/m³
O₃
96.1
μg/m³
SO₂
0.4
μg/m³
CO
139.5
μg/m³
Sunny
Saturday, August 15, 2026
High
28°C
Low
13°C
Rain Chance
57%
Hourly Forecast
14°C
15°C
13°C
13°C
13°C
13°C
13°C
14°C
19°C
23°C
24°C
26°C
27°C
28°C
26°C
24°C
25°C
24°C
23°C
22°C
15°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
60%
Precipitation
2 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:12 AM
Sunset
07:58 PM
Moonrise
09:29 AM
Moonset
09:23 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
5.3
μg/m³
PM10
5.8
μg/m³
NO₂
8.4
μg/m³
O₃
86.5
μg/m³
SO₂
0.5
μg/m³
CO
121.6
μg/m³
Sunny
Sunday, August 16, 2026
High
31°C
Low
13°C
Rain Chance
36%
Hourly Forecast
15°C
14°C
14°C
14°C
14°C
14°C
13°C
15°C
22°C
24°C
26°C
27°C
28°C
29°C
30°C
31°C
31°C
28°C
28°C
26°C
20°C
18°C
16°C
16°C
Day Statistics
Maximum Wind
21 km/h
Humidity
45%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:13 AM
Sunset
07:56 PM
Moonrise
10:42 AM
Moonset
09:49 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
8.3
μg/m³
PM10
8.7
μg/m³
NO₂
10.9
μg/m³
O₃
84.3
μg/m³
SO₂
0.6
μg/m³
CO
129.4
μg/m³
Partly Cloudy
Monday, August 17, 2026
High
33°C
Low
16°C
Rain Chance
2%
Hourly Forecast
16°C
17°C
16°C
16°C
17°C
17°C
16°C
17°C
23°C
26°C
28°C
30°C
31°C
32°C
32°C
33°C
31°C
31°C
31°C
27°C
21°C
20°C
18°C
18°C
Day Statistics
Maximum Wind
22 km/h
Humidity
35%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:14 AM
Sunset
07:55 PM
Moonrise
11:54 AM
Moonset
10:16 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
6.9
μg/m³
PM10
7.3
μg/m³
NO₂
8.6
μg/m³
O₃
89.2
μg/m³
SO₂
0.7
μg/m³
CO
129.1
μg/m³
Sunny
Tuesday, August 18, 2026
High
34°C
Low
15°C
Rain Chance
57%
Hourly Forecast
19°C
18°C
18°C
18°C
17°C
17°C
17°C
21°C
24°C
28°C
29°C
30°C
32°C
32°C
33°C
34°C
33°C
33°C
32°C
28°C
23°C
19°C
17°C
15°C
Day Statistics
Maximum Wind
20 km/h
Humidity
31%
Precipitation
1 mm
UV Index
8
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:15 AM
Sunset
07:54 PM
Moonrise
01:04 PM
Moonset
10:48 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
6.6
μg/m³
PM10
6.8
μg/m³
NO₂
15.7
μg/m³
O₃
33.7
μg/m³
SO₂
0.4
μg/m³
CO
184.1
μg/m³
Patchy rain nearby
Wednesday, August 19, 2026
High
29°C
Low
14°C
Rain Chance
63%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
18°C
21°C
24°C
26°C
27°C
29°C
28°C
28°C
27°C
25°C
23°C
21°C
20°C
18°C
17°C
16°C
16°C
Day Statistics
Maximum Wind
18 km/h
Humidity
57%
Precipitation
6 mm
UV Index
7
Visibility
10 km
Rain Chance
63%
Snow Chance
0%
Sun & Moon
Sunrise
06:16 AM
Sunset
07:52 PM
Moonrise
02:12 PM
Moonset
11:24 PM
Moon Phase
First Quarter
Moon Illumination
48%
Patchy rain nearby
Thursday, August 20, 2026
High
20°C
Low
13°C
Rain Chance
73%
Hourly Forecast
16°C
15°C
14°C
13°C
13°C
13°C
13°C
15°C
16°C
18°C
19°C
19°C
20°C
20°C
20°C
20°C
19°C
18°C
18°C
17°C
15°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
13 km/h
Humidity
71%
Precipitation
6 mm
UV Index
4
Visibility
10 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
06:17 AM
Sunset
07:51 PM
Moonrise
03:16 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Solar Radiation Data
Shortwave Radiation
27.5
Diffuse Radiation
10.86
DNI
0
GTI
0
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