Longmont, Colorado Weather:
Friday, July 31, 2026
Sunny with a Chance of Thunderstorms
Day 91°
Night 63°
Precipitation 68 %
Wind 2 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (July 31, 2025)
Stormy Weather

Day

86°

Night

55°

Wind

6 mph

Precipitation

49 %