Longmont, Colorado Weather:
Monday, June 1, 2026
Cloudy Weather
Day 81°
Night 55°
Precipitation 55 %
Wind 2 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 1, 2025)
Partly Sunny with Showers

Day

88°

Night

55°

Wind

4 mph

UV Index

11

Precipitation

49 %