Weather in Thornton, Colorado
Tuesday 17 November 2026
12°
Clear sky
Feels like 9°
- High
- 14°
- Low
- 6°
- Humidity
- 48%
- Wind
- 10 km/h
Temperature and rain / Thornton
The coming days
High
20°
Low
-6°
Average high
10.2°
Average low
1.9°
Total rain
6.7 mm
Average rain
0.4 mm
Air quality - Thornton
Particles and ozone
Moderate
15.30 µg/m³
0-1212-3535-5555+
Acceptable; sensitive people should take care.
PM1018.50µg/m³
Ozone41µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Thornton
Tomorrow in Thornton, expect Clear sky ☀️, with:\n\n- High of 17°\n- Low of 2°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-11