Longmont, Colorado Weather:
Sunday, May 17, 2026
Cloudy Weather
Day 72°
Night 45°
Precipitation 40 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (May 17, 2025)
Partly Sunny with Showers

Day

72°

Night

45°

Wind

6 mph

UV Index

6

Precipitation

49 %