Weather Forecast for Boulder
Colorado, United States of America
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Current Weather - Boulder: 15°C
Current Weather - Boulder: 15°C
Colorado, United States of America
Patchy rain nearby
Feels like 13°C
Wind
4 km/h NW
Humidity
67%
Pressure
1018 mb
UV Index
0
Visibility
10 km
Patchy rain nearby
Thursday, September 24, 2026
High
22°C
Low
15°C
Rain Chance
38%
Hourly Forecast
21°C
21°C
22°C
22°C
20°C
17°C
16°C
15°C
16°C
15°C
Day Statistics
Maximum Wind
10 km/h
Humidity
50%
Precipitation
1 mm
UV Index
5
Visibility
10 km
Rain Chance
38%
Snow Chance
0%
Sun & Moon
Sunrise
06:50 AM
Sunset
06:55 PM
Moonrise
06:01 PM
Moonset
04:53 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
6.7
μg/m³
PM10
7.9
μg/m³
NO₂
12.5
μg/m³
O₃
60.8
μg/m³
SO₂
0.7
μg/m³
CO
128
μg/m³
Sunny
Friday, September 25, 2026
High
24°C
Low
11°C
Rain Chance
5%
Hourly Forecast
13°C
13°C
13°C
12°C
12°C
12°C
11°C
11°C
14°C
16°C
18°C
20°C
21°C
22°C
23°C
24°C
24°C
24°C
22°C
19°C
17°C
17°C
17°C
16°C
Day Statistics
Maximum Wind
20 km/h
Humidity
46%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
06:51 AM
Sunset
06:53 PM
Moonrise
06:22 PM
Moonset
05:53 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
8.8
μg/m³
PM10
9.3
μg/m³
NO₂
13
μg/m³
O₃
60.4
μg/m³
SO₂
0.7
μg/m³
CO
144.3
μg/m³
Sunny
Saturday, September 26, 2026
High
27°C
Low
14°C
Rain Chance
1%
Hourly Forecast
15°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
16°C
21°C
23°C
24°C
25°C
26°C
26°C
27°C
27°C
26°C
24°C
18°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
21 km/h
Humidity
28%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:52 AM
Sunset
06:52 PM
Moonrise
06:43 PM
Moonset
06:55 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
5.4
μg/m³
PM10
6.3
μg/m³
NO₂
9.8
μg/m³
O₃
71.5
μg/m³
SO₂
0.4
μg/m³
CO
130.6
μg/m³
Overcast
Sunday, September 27, 2026
High
26°C
Low
15°C
Rain Chance
17%
Hourly Forecast
16°C
16°C
16°C
15°C
16°C
16°C
15°C
15°C
17°C
21°C
22°C
24°C
25°C
26°C
26°C
26°C
26°C
24°C
23°C
19°C
19°C
19°C
17°C
16°C
Day Statistics
Maximum Wind
28 km/h
Humidity
30%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:53 AM
Sunset
06:50 PM
Moonrise
07:05 PM
Moonset
07:58 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
4.9
μg/m³
PM10
5.5
μg/m³
NO₂
11.3
μg/m³
O₃
61.1
μg/m³
SO₂
0.5
μg/m³
CO
147
μg/m³
Overcast
Monday, September 28, 2026
High
22°C
Low
13°C
Rain Chance
10%
Hourly Forecast
16°C
16°C
15°C
16°C
14°C
14°C
15°C
14°C
16°C
20°C
21°C
22°C
20°C
21°C
21°C
22°C
21°C
20°C
20°C
18°C
17°C
16°C
14°C
13°C
Day Statistics
Maximum Wind
20 km/h
Humidity
41%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
06:54 AM
Sunset
06:48 PM
Moonrise
07:31 PM
Moonset
09:04 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
4.6
μg/m³
PM10
4.9
μg/m³
NO₂
12.7
μg/m³
O₃
47
μg/m³
SO₂
0.4
μg/m³
CO
174.9
μg/m³
Patchy rain nearby
Tuesday, September 29, 2026
High
16°C
Low
9°C
Rain Chance
73%
Hourly Forecast
12°C
12°C
12°C
12°C
11°C
11°C
10°C
9°C
9°C
9°C
10°C
12°C
13°C
14°C
15°C
15°C
15°C
16°C
16°C
14°C
12°C
10°C
9°C
9°C
Day Statistics
Maximum Wind
10 km/h
Humidity
69%
Precipitation
8 mm
UV Index
4
Visibility
10 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
06:55 AM
Sunset
06:47 PM
Moonrise
08:02 PM
Moonset
10:12 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Sunny
Wednesday, September 30, 2026
High
25°C
Low
8°C
Rain Chance
1%
Hourly Forecast
8°C
8°C
8°C
8°C
8°C
8°C
8°C
10°C
12°C
14°C
17°C
20°C
22°C
23°C
24°C
25°C
24°C
22°C
21°C
19°C
17°C
15°C
14°C
13°C
Day Statistics
Maximum Wind
19 km/h
Humidity
39%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:56 AM
Sunset
06:45 PM
Moonrise
08:40 PM
Moonset
11:22 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
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