Boulder 7-day weather forecast

Written by:
July 21, 2025
ESOlex // Shutterstock

Boulder 7-day weather forecast

Stacker created the forecast for Boulder, Colorado using data from OpenWeather. This week's high is 96 °F on Sunday, while the low is 61 °F on Thursday. There are expected to be 3 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, July 21

- High of 93 °F, low of 64 °F (12% humidity)
- Overcast with a 44% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 5:49 AM, sunset at 8:24 PM
1 / 6
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Tuesday, July 22

- High of 90 °F, low of 63 °F (25% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 5:50 AM, sunset at 8:24 PM
2 / 6
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Wednesday, July 23

- High of 86 °F, low of 64 °F (29% humidity)
- Mostly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:51 AM, sunset at 8:23 PM
3 / 6
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Thursday, July 24

- High of 89 °F, low of 61 °F (31% humidity)
- Partly cloudy with a 100% chance of rain (14 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:52 AM, sunset at 8:22 PM
- New moon
4 / 6
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Friday, July 25

- High of 91 °F, low of 62 °F (24% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:53 AM, sunset at 8:21 PM
5 / 6
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Saturday, July 26

- High of 95 °F, low of 66 °F (11% humidity)
- Sunny with a 39% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:54 AM, sunset at 8:20 PM
6 / 6
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Sunday, July 27

- High of 96 °F, low of 69 °F (13% humidity)
- Sunny with a 35% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:55 AM, sunset at 8:19 PM

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