Boulder, Colorado Weather:
Monday, September 7, 2026
Sunny with a Chance of Thunderstorms
Day 82°
Night 61°
Precipitation 80 %
Wind 4 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 7, 2025)
Stormy Weather

Day

86°

Night

61°

Wind

7 mph

Precipitation

55 %