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Cool conditions will mark the end of summer

Lows in the upper 30s to low 40s tonight
Posted at 5:31 AM, Sep 20, 2021
and last updated 2021-09-20 20:20:13-04

A cold front brought a big change to the temperatures across Colorado! From weekend highs in the upper 80s to low 90s, to readings just in the 60s, the front served as a reminder that Autumn begins on Wednesday at 1:21 PM Denver time.

Denver and the plains will see lows fall to the low 40s by early tomorrow morning with some low clouds expected over the eastern plains. Expect a chilly night in the mountains, with lows in the middle 20s to low 30s.

Tuesday will be crisp to start with some areas of clouds, then sunny and pleasant through the day, with highs in the low upper 60s to low 70s.

Sunny and warmer weather can be expected for next Wednesday and Thursday. Temperatures will climb back into the 80s both days! Friday will be slightly cooler with the passage of a weak cold front, expect highs in the upper 70s.

The first weekend of Autumn will be fantastic with sunny skies and warm temperatures. The aspen trees will be full-on gold over the central and northern mountains and nearing their peak over the southern mountain areas.

The weather on Sunday should be picture perfect as well for the Bronco's home opener - mostly sunny and warm with temperatures in the 80s during the game.

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