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Boulder, Colorado Weather:
Tuesday, January 20, 2026
Cloudy Weather
Day 39°
Night 18°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Partly Sunny with a Chance of Snow

Day

12°

Night

-2°

Wind

4 mph

UV Index

3

Precipitation

55 %