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Thornton, Colorado Weather:
Monday, December 22, 2025
Cloudy Weather
Day 66°
Night 41°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 22, 2024)
Cloudy Weather

Day

59°

Night

36°

Wind

6 mph

UV Index

1

Precipitation

0 %