Longmont, Colorado Weather:
Tuesday, September 8, 2026
Sunny with a Chance of Thunderstorms
Day 84°
Night 54°
Precipitation 68 %
Wind 4 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 8, 2025)
Rainy Night

Day

88°

Night

55°

Wind

6 mph

Precipitation

49 %