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Thornton, Colorado Weather:
Tuesday, December 16, 2025
Cloudy Weather
Day 63°
Night 37°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 16, 2024)
Cloudy Weather

Day

46°

Night

28°

Wind

6 mph

UV Index

2

Precipitation

0 %