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Thornton, Colorado Weather:
Monday, December 29, 2025
Sunny Weather
Day 50°
Night 23°
Precipitation 5 %
Wind 6 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 29, 2024)
Cloudy Weather

Day

55°

Night

43°

Wind

7 mph

UV Index

2

Precipitation

25 %