Weather in Boulder, Colorado
Saturday 21 November 2026
5°
Overcast
Feels like 1°
- High
- 6°
- Low
- 0°
- Humidity
- 65%
- Wind
- 8 km/h
Temperature and rain / Boulder
The coming days
High
22°
Low
-1°
Average high
15.5°
Average low
4.3°
Total rain
0.0 mm
Average rain
0.0 mm
Air quality - Boulder
Particles and ozone
Good
9.80 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM1010.30µg/m³
Ozone35µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Boulder
Tomorrow in Boulder, expect Scattered clouds ⛅, with:\n\n- High of 19°\n- Low of 9°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-09