Boulder 7-day weather forecast

Written by:
March 9, 2026
ESOlex // Shutterstock

Boulder 7-day weather forecast

Stacker created the forecast for Boulder, Colorado using data from OpenWeather. This week's high is 80 °F on Saturday, while the low is 20 °F on Monday. There is expected to be 1 sunny day and rain on 1 day this week.

There are currently no weather alerts.

Monday, March 16

- High of 47 °F, low of 20 °F (33% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:10 AM, sunset at 7:08 PM
1 / 6
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Tuesday, March 17

- High of 62 °F, low of 44 °F (33% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Strong breeze (28 mph wind)
- Sunrise at 7:09 AM, sunset at 7:09 PM
2 / 6
John Cartwright // Shutterstock

Wednesday, March 18

- High of 71 °F, low of 49 °F (28% 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 7:07 AM, sunset at 7:10 PM
- New moon
3 / 6
Piyawat Nandeenopparit // Shutterstock

Thursday, March 19

- High of 77 °F, low of 52 °F (12% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:06 AM, sunset at 7:11 PM
4 / 6
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Friday, March 20

- High of 78 °F, low of 57 °F (11% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:04 AM, sunset at 7:12 PM
5 / 6
Alex Stemmer // Shutterstock

Saturday, March 21

- High of 80 °F, low of 59 °F (13% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:02 AM, sunset at 7:13 PM
6 / 6
Marian Weyo // Shutterstock

Sunday, March 22

- High of 58 °F, low of 39 °F (78% humidity)
- Overcast 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 7:01 AM, sunset at 7:14 PM

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