Weather Forecast for Boulder
Colorado, United States of America
Share this weather forecast
Current Weather - Boulder: 20°C
Current Weather - Boulder: 20°C
Colorado, United States of America
Sunny
Feels like 17°C
Wind
9 km/h WSW
Humidity
42%
Pressure
1012 mb
UV Index
1
Visibility
10 km
Sunny
Thursday, September 03, 2026
High
30°C
Low
15°C
Rain Chance
4%
Hourly Forecast
30°C
30°C
29°C
25°C
21°C
20°C
20°C
19°C
Day Statistics
Maximum Wind
21 km/h
Humidity
30%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:30 AM
Sunset
07:30 PM
Moonrise
10:40 PM
Moonset
01:30 PM
Moon Phase
Last Quarter
Moon Illumination
50%
Air Quality
PM2.5
3.1
μg/m³
PM10
3.6
μg/m³
NO₂
7.1
μg/m³
O₃
66
μg/m³
SO₂
0.3
μg/m³
CO
118.6
μg/m³
Sunny
Friday, September 04, 2026
High
31°C
Low
17°C
Rain Chance
17%
Hourly Forecast
19°C
18°C
17°C
17°C
17°C
17°C
17°C
17°C
21°C
25°C
27°C
28°C
29°C
30°C
31°C
31°C
31°C
30°C
29°C
25°C
24°C
21°C
21°C
21°C
Day Statistics
Maximum Wind
23 km/h
Humidity
27%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:31 AM
Sunset
07:28 PM
Moonrise
11:32 PM
Moonset
02:39 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
4.2
μg/m³
PM10
5
μg/m³
NO₂
10.1
μg/m³
O₃
61.5
μg/m³
SO₂
0.4
μg/m³
CO
124.6
μg/m³
Sunny
Saturday, September 05, 2026
High
30°C
Low
17°C
Rain Chance
36%
Hourly Forecast
20°C
20°C
20°C
19°C
18°C
18°C
17°C
18°C
22°C
25°C
26°C
28°C
29°C
30°C
30°C
30°C
30°C
27°C
27°C
25°C
22°C
20°C
20°C
20°C
Day Statistics
Maximum Wind
21 km/h
Humidity
33%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:32 AM
Sunset
07:26 PM
Moonrise
Does not rise today
Moonset
03:42 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
3.4
μg/m³
PM10
4.1
μg/m³
NO₂
7.3
μg/m³
O₃
66.4
μg/m³
SO₂
0.3
μg/m³
CO
113.5
μg/m³
Overcast
Sunday, September 06, 2026
High
31°C
Low
18°C
Rain Chance
57%
Hourly Forecast
20°C
19°C
19°C
19°C
19°C
19°C
18°C
19°C
22°C
25°C
27°C
28°C
30°C
31°C
31°C
30°C
26°C
23°C
25°C
22°C
18°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
27 km/h
Humidity
43%
Precipitation
2 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
07:25 PM
Moonrise
12:35 AM
Moonset
04:37 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
4.1
μg/m³
PM10
5
μg/m³
NO₂
7.7
μg/m³
O₃
73.9
μg/m³
SO₂
0.4
μg/m³
CO
120.4
μg/m³
Overcast
Monday, September 07, 2026
High
28°C
Low
17°C
Rain Chance
36%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
21°C
24°C
26°C
28°C
28°C
27°C
26°C
27°C
28°C
27°C
27°C
19°C
20°C
19°C
20°C
18°C
Day Statistics
Maximum Wind
16 km/h
Humidity
47%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:34 AM
Sunset
07:23 PM
Moonrise
01:49 AM
Moonset
05:22 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
6.5
μg/m³
PM10
7
μg/m³
NO₂
18.8
μg/m³
O₃
20.7
μg/m³
SO₂
0.4
μg/m³
CO
206.4
μg/m³
Overcast
Tuesday, September 08, 2026
High
28°C
Low
16°C
Rain Chance
17%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
17°C
16°C
18°C
20°C
22°C
23°C
25°C
26°C
26°C
27°C
28°C
26°C
25°C
23°C
22°C
21°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
28 km/h
Humidity
44%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:35 AM
Sunset
07:21 PM
Moonrise
03:07 AM
Moonset
05:59 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Overcast
Wednesday, September 09, 2026
High
30°C
Low
17°C
Rain Chance
17%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
18°C
17°C
20°C
22°C
25°C
26°C
28°C
30°C
29°C
29°C
28°C
26°C
25°C
23°C
22°C
22°C
21°C
20°C
20°C
Day Statistics
Maximum Wind
19 km/h
Humidity
41%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
07:20 PM
Moonrise
04:27 AM
Moonset
06:30 PM
Moon Phase
New Moon
Moon Illumination
2%
Your guide to the flawless travel experience
Popular Countries
Get our app
