Longmont, Colorado Weather:
Friday, September 25, 2026
Cloudy Weather
Day 79°
Night 54°
Precipitation 9 %
Wind 6 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (September 25, 2025)
Sunny Weather

Day

79°

Night

45°

Wind

4 mph

UV Index

50

Precipitation

1 %