Weather Forecast for Boulder
Colorado, United States of America
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Current Weather - Boulder: 1°C
Current Weather - Boulder: 1°C
Colorado, United States of America
Mist
Feels like -1°C
Wind
4 km/h NNE
Humidity
96%
Pressure
1019 mb
UV Index
0
Visibility
2 km
Sunny
Thursday, October 15, 2026
High
14°C
Low
1°C
Rain Chance
57%
Hourly Forecast
6°C
7°C
9°C
11°C
13°C
13°C
13°C
14°C
13°C
12°C
6°C
3°C
4°C
4°C
3°C
3°C
Day Statistics
Maximum Wind
34 km/h
Humidity
59%
Precipitation
1 mm
UV Index
5
Visibility
9 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
07:11 AM
Sunset
06:22 PM
Moonrise
12:49 PM
Moonset
09:35 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
2.7
μg/m³
PM10
2.9
μg/m³
NO₂
8.6
μg/m³
O₃
52.7
μg/m³
SO₂
0.5
μg/m³
CO
135.3
μg/m³
Sunny
Friday, October 16, 2026
High
16°C
Low
-1°C
Rain Chance
1%
Hourly Forecast
3°C
2°C
1°C
-0°C
-1°C
-0°C
-1°C
-1°C
2°C
8°C
11°C
12°C
14°C
15°C
16°C
16°C
16°C
16°C
9°C
6°C
6°C
5°C
5°C
5°C
Day Statistics
Maximum Wind
13 km/h
Humidity
36%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
07:12 AM
Sunset
06:20 PM
Moonrise
01:38 PM
Moonset
10:34 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
6
μg/m³
PM10
6.8
μg/m³
NO₂
15.6
μg/m³
O₃
54
μg/m³
SO₂
0.9
μg/m³
CO
159.9
μg/m³
Sunny
Saturday, October 17, 2026
High
24°C
Low
5°C
Rain Chance
0%
Hourly Forecast
5°C
5°C
5°C
5°C
5°C
6°C
6°C
6°C
8°C
15°C
19°C
21°C
23°C
24°C
24°C
24°C
23°C
22°C
13°C
12°C
11°C
11°C
11°C
10°C
Day Statistics
Maximum Wind
14 km/h
Humidity
24%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:13 AM
Sunset
06:19 PM
Moonrise
02:19 PM
Moonset
11:36 PM
Moon Phase
First Quarter
Moon Illumination
47%
Air Quality
PM2.5
7.6
μg/m³
PM10
8.2
μg/m³
NO₂
18.5
μg/m³
O₃
58.1
μg/m³
SO₂
0.7
μg/m³
CO
159.2
μg/m³
Overcast
Sunday, October 18, 2026
High
22°C
Low
6°C
Rain Chance
6%
Hourly Forecast
10°C
10°C
9°C
9°C
9°C
9°C
9°C
9°C
10°C
15°C
19°C
20°C
21°C
22°C
22°C
22°C
21°C
20°C
16°C
9°C
10°C
9°C
8°C
6°C
Day Statistics
Maximum Wind
19 km/h
Humidity
25%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
07:14 AM
Sunset
06:17 PM
Moonrise
02:52 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Air Quality
PM2.5
5.3
μg/m³
PM10
5.8
μg/m³
NO₂
11.8
μg/m³
O₃
65.2
μg/m³
SO₂
0.8
μg/m³
CO
153.4
μg/m³
Sunny
Monday, October 19, 2026
High
19°C
Low
3°C
Rain Chance
1%
Hourly Forecast
6°C
5°C
4°C
4°C
4°C
3°C
3°C
3°C
5°C
11°C
13°C
14°C
16°C
17°C
18°C
19°C
17°C
14°C
12°C
11°C
10°C
9°C
9°C
8°C
Day Statistics
Maximum Wind
12 km/h
Humidity
40%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
06:16 PM
Moonrise
03:19 PM
Moonset
12:38 AM
Moon Phase
First Quarter
Moon Illumination
68%
Air Quality
PM2.5
10.1
μg/m³
PM10
10.8
μg/m³
NO₂
20.2
μg/m³
O₃
44.1
μg/m³
SO₂
1.1
μg/m³
CO
228.7
μg/m³
Sunny
Tuesday, October 20, 2026
High
20°C
Low
5°C
Rain Chance
2%
Hourly Forecast
7°C
7°C
6°C
6°C
6°C
6°C
5°C
8°C
11°C
14°C
15°C
17°C
18°C
19°C
20°C
20°C
18°C
15°C
12°C
12°C
11°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
12 km/h
Humidity
44%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:16 AM
Sunset
06:14 PM
Moonrise
03:43 PM
Moonset
01:40 AM
Moon Phase
Waxing Gibbous
Moon Illumination
77%
Sunny
Wednesday, October 21, 2026
High
21°C
Low
7°C
Rain Chance
2%
Hourly Forecast
10°C
9°C
9°C
9°C
8°C
8°C
7°C
10°C
12°C
15°C
16°C
18°C
19°C
20°C
21°C
21°C
19°C
17°C
15°C
14°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
13 km/h
Humidity
40%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:18 AM
Sunset
06:13 PM
Moonrise
04:05 PM
Moonset
02:41 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
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