Boulder 7-day Weather Forecast

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Boulder 7-day weather forecast

Stacker created the forecast for Boulder, Colorado using data from OpenWeather. This week's high is 103 °F on Monday, while the low is 66 °F on Wednesday. There are expected to be 4 sunny days and rain on 6 days this week.

NWS Denver CO has issued a heat advisory until Tuesday at 09:00 PM and an air quality alert until Monday at 04:00 PM.

Monday, July 20

- High of 103 °F, low of 73 °F (17% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:48 AM, sunset at 8:25 PM

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Tuesday, July 21

- High of 102 °F, low of 71 °F (21% humidity)
- Sunny with a 98% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (12 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 5:49 AM, sunset at 8:25 PM
- First quarter moon

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Wednesday, July 22

- High of 90 °F, low of 66 °F (33% humidity)
- Partly cloudy with a 100% chance of rain (13 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:50 AM, sunset at 8:24 PM

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Thursday, July 23

- High of 87 °F, low of 66 °F (35% humidity)
- Mostly cloudy with a 80% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:51 AM, sunset at 8:23 PM

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Friday, July 24

- High of 95 °F, low of 68 °F (21% humidity)
- Sunny with a 40% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:52 AM, sunset at 8:22 PM

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Saturday, July 25

- High of 99 °F, low of 72 °F (15% humidity)
- Fair with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:53 AM, sunset at 8:21 PM

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Sunday, July 26

- High of 100 °F, low of 73 °F (14% humidity)
- Partly sunny with a 30% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:53 AM, sunset at 8:21 PM