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Longmont, Colorado Weather:
Wednesday, March 18, 2026
Cloudy Weather
Day 48°
Night 21°
Precipitation 40 %
Wind 19 mph
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Partly Sunny with Showers

Day

63°

Night

32°

Wind

15 mph

UV Index

5

Precipitation

60 %