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Thornton, Colorado Weather:
Monday, January 19, 2026
Cloudy Weather
Day 54°
Night 25°
Precipitation 20 %
Wind 5 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Snowy Weather

Day

18°

Night

0°

Wind

4 mph

UV Index

3

Precipitation

41 %