Boulder 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Boulder 7-day weather forecast

Stacker created the forecast for Boulder, Colorado using data from OpenWeather. This week's high is 84 °F on Wednesday, while the low is 35 °F on Friday. There are expected to be 3 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, March 23

- High of 72 °F, low of 41 °F (23% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:59 AM, sunset at 7:15 PM
1 / 6
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Tuesday, March 24

- High of 77 °F, low of 52 °F (24% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:57 AM, sunset at 7:16 PM
2 / 6
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Wednesday, March 25

- High of 84 °F, low of 57 °F (16% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:56 AM, sunset at 7:17 PM
- First quarter moon
3 / 6
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Thursday, March 26

- High of 68 °F, low of 52 °F (33% humidity)
- Fair with a 51% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:54 AM, sunset at 7:18 PM
4 / 6
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Friday, March 27

- High of 54 °F, low of 35 °F (35% humidity)
- Fair with a 48% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:52 AM, sunset at 7:19 PM
5 / 6
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Saturday, March 28

- High of 68 °F, low of 42 °F (20% humidity)
- Overcast with a 24% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:51 AM, sunset at 7:20 PM
6 / 6
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Sunday, March 29

- High of 68 °F, low of 54 °F (26% humidity)
- Overcast with a 31% 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 6:49 AM, sunset at 7:21 PM

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