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Boulder, Colorado Weather:
Sunday, January 18, 2026
Sunny Weather
Day 57°
Night 30°
Precipitation 4 %
Wind 5 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 18, 2025)
Snowy Weather

Day

16°

Night

-2°

Wind

4 mph

UV Index

1

Precipitation

67 %