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Thornton, Colorado Weather:
Saturday, December 20, 2025
Partly Sunny with Showers
Day 63°
Night 36°
Precipitation 55 %
Wind 12 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (December 20, 2024)
Cloudy Weather

Day

64°

Night

28°

Wind

7 mph

UV Index

2

Precipitation

0 %