Boulder, Colorado Weather:
Wednesday, September 2, 2026
Cloudy Weather
Day 90°
Night 63°
Precipitation 25 %
Wind 5 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 2, 2025)
Stormy Weather

Day

86°

Night

59°

Wind

6 mph

Precipitation

55 %