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Today Hourly 7 days 30 days October
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October 2025 Weather | Boulder, Colorado

Wed 10/1
Sunny Weather
Day 66°
Night 39°
20
Thu 10/2
Sunny Weather
Day 73°
Night 41°
20
Fri 10/3
Cloudy Weather
Day 75°
Night 45°
20
Sat 10/4
Sunny Weather
Day 73°
Night 41°
20
Sun 10/5
Sunny Weather
Day 64°
Night 37°
5
Mon 10/6
Cloudy Weather
Day 72°
Night 43°
25
Tue 10/7
Cloudy Weather
Day 70°
Night 43°
25
Wed 10/8
Sunny Weather
Day 66°
Night 37°
20
Thu 10/9
Sunny Weather
Day 72°
Night 43°
20
Fri 10/10
Cloudy Weather
Day 73°
Night 45°
10
Sat 10/11
Sunny Weather
Day 64°
Night 37°
5
Sun 10/12
Sunny Weather
Day 68°
Night 39°
20
Mon 10/13
Cloudy Weather
Day 72°
Night 41°
20
Tue 10/14
Cloudy Weather
Day 72°
Night 43°
25
Wed 10/15
Cloudy Weather
Day 72°
Night 45°
25
Thu 10/16
Cloudy Weather
Day 70°
Night 43°
10
Fri 10/17
Cloudy Weather
Day 70°
Night 39°
0
Sat 10/18
Cloudy Weather
Day 66°
Night 39°
1
Sun 10/19
Sunny Weather
Day 70°
Night 39°
0
Mon 10/20
Cloudy Weather
Day 72°
Night 27°
55
Tue 10/21
Snowy Weather
Day 55°
Night 27°
Wed 10/22
Rainy Weather
Day 54°
Night 28°
Thu 10/23
Cloudy Weather
Day 57°
Night 27°
Fri 10/24
Cloudy Weather
Day 55°
Night 32°
Sat 10/25
Sunny Weather
Day 61°
Night 37°
Sun 10/26
Sunny Weather
Day 68°
Night 39°
Mon 10/27
Sunny Weather
Day 70°
Night 39°
Tue 10/28
Sunny Weather
Day 70°
Night 37°
Wed 10/29
Sunny Weather
Day 70°
Night 37°
Thu 10/30
Sunny Weather
Day 64°
Night 41°
Fri 10/31
Cloudy Weather
Day 70°
Night 43°