Boulder 7-day weather forecast

Written by:
March 23, 2026
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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 81 °F on Wednesday, while the low is 29 °F on Saturday. There are expected to be 2 sunny days, snow on 1 day, and 3 days of rain this week.

There are currently no weather alerts.

Monday, April 20

- High of 80 °F, low of 46 °F (8% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:15 AM, sunset at 7:43 PM
1 / 6
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Tuesday, April 21

- High of 79 °F, low of 54 °F (12% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:14 AM, sunset at 7:45 PM
2 / 6
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Wednesday, April 22

- High of 81 °F, low of 48 °F (10% humidity)
- Partly cloudy with a 46% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Strong breeze (30 mph wind)
- Sunrise at 6:12 AM, sunset at 7:46 PM
3 / 6
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Thursday, April 23

- High of 61 °F, low of 43 °F (15% humidity)
- Sunny with a 26% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Strong breeze (31 mph wind)
- Sunrise at 6:11 AM, sunset at 7:47 PM
- First quarter moon
4 / 6
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Friday, April 24

- High of 59 °F, low of 33 °F (36% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:10 AM, sunset at 7:48 PM
5 / 6
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Saturday, April 25

- High of 53 °F, low of 29 °F (39% humidity)
- Mostly cloudy with a 20% chance of snow (1 mm of snow)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:08 AM, sunset at 7:49 PM
6 / 6
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Sunday, April 26

- High of 58 °F, low of 38 °F (39% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:07 AM, sunset at 7:50 PM

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