Longmont, Colorado Weather:
Friday, June 19, 2026
Cloudy Weather
Day 93°
Night 61°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 19, 2025)
Cloudy Weather

Day

99°

Night

59°

Wind

6 mph

UV Index

12

Precipitation

1 %