Thornton, Colorado 14-day weather forecast

Sunday 8 November 2026 | 15:45

11°

Overcast

Feels like 7°

High
18°
Low
0°
Humidity
22%
Wind
10 km/h

Temperature and rain / Thornton

The coming days

High

21°

Low

0°

Average high

16.4°

Average low

6.8°

Total rain

0.9 mm

Average rain

0.1 mm

Air quality - Thornton

Particles and ozone

Moderate
13.90 µg/m³
0-1212-3535-5555+

Acceptable; sensitive people should take care.

PM1014.50µg/m³
Ozone45µg/m³
Data updated hourly

Frequently asked questions

Quick answers about the weather in Thornton

Tomorrow in Thornton, expect Few clouds 🌤️, with:\n\n- High of 20°\n- Low of 2°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-08