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Fort Collins, Colorado Weather:
Sunday, September 21, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 79°
Night 37°

Weather Forecast History

Last Year's Weather on This Day (September 21, 2024)

Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.

Day

72°

Night

43°

Wind

11 mph

UV Index

5

Precipitation

65