Longmont, Colorado Weather:
Thursday, March 19, 2026
Cloudy Weather
Day 54°
Night 23°
Precipitation 20 %
Wind 4 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 19, 2025)
Partly Sunny with Showers

Day

48°

Night

25°

Wind

14 mph

UV Index

4

Precipitation

40 %