Boulder, Colorado Weather:
Sunday, July 5, 2026
Cloudy Weather
Day 88°
Night 61°
Precipitation 30 %
Wind 8 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 5, 2025)
Sunny with a Chance of Thunderstorms

Day

91°

Night

61°

Wind

7 mph

UV Index

12

Precipitation

42 %