Thornton, Colorado Weather:
Monday, September 7, 2026
Cloudy Weather
Day 88°
Night 61°
Precipitation 55 %
Wind 2 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 7, 2025)
Stormy Weather

Day

84°

Night

61°

Wind

7 mph

Precipitation

49 %