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Today Hourly 7 days 30 days May
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May 2026 Weather | Boulder, Colorado

Today 5/20
Rainy Weather
Day 57°
Night 37°
87
Thu 5/21
Sunny with a Chance of Thunderstorms
Day 63°
Night 39°
55
Fri 5/22
Cloudy Weather
Day 64°
Night 43°
25
Sat 5/23
Partly Sunny with Showers
Day 70°
Night 46°
60
Sun 5/24
Cloudy Weather
Day 79°
Night 54°
13
Mon 5/25
Cloudy Weather
Day 81°
Night 52°
25
Tue 5/26
Cloudy Weather
Day 73°
Night 54°
25
Wed 5/27
Sunny with a Chance of Thunderstorms
Day 70°
Night 50°
64
Thu 5/28
Sunny with a Chance of Thunderstorms
Day 72°
Night 52°
61
Fri 5/29
Partly Sunny with Showers
Day 73°
Night 52°
57
Sat 5/30
Rainy Weather
Day 81°
Night 54°
55
Sun 5/31
Cloudy Weather
Day 82°
Night 55°
1

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