Boulder 7-day Weather Forecast

ESOlex // Shutterstock

Boulder 7-day weather forecast

Stacker created the forecast for Boulder, Colorado using data from OpenWeather. This week's high is 78 °F on Sunday, while the low is 29 °F on Tuesday. There are expected to be 4 sunny days and rain on 6 days this week.

NWS Denver CO has issued a freeze watch until Tuesday at 08:00 AM.

Monday, May 18

- High of 46 °F, low of 34 °F (101% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:43 AM, sunset at 8:12 PM

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1 / 6

IKO-studio // Shutterstock

Tuesday, May 19

- High of 46 °F, low of 29 °F (77% humidity)
- Partly cloudy with a 100% chance of rain (12 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:42 AM, sunset at 8:13 PM

2 / 6

ESOlex // Shutterstock

Wednesday, May 20

- High of 61 °F, low of 41 °F (69% humidity)
- Partly sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:41 AM, sunset at 8:13 PM

3 / 6

Deborah Kolb // Shutterstock

Thursday, May 21

- High of 66 °F, low of 44 °F (48% humidity)
- Fair with a 82% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:40 AM, sunset at 8:14 PM

4 / 6

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Friday, May 22

- High of 67 °F, low of 44 °F (38% humidity)
- Sunny with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:40 AM, sunset at 8:15 PM

5 / 6

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Saturday, May 23

- High of 73 °F, low of 45 °F (29% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:39 AM, sunset at 8:16 PM
- First quarter moon

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6 / 6

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Sunday, May 24

- High of 78 °F, low of 54 °F (21% humidity)
- Fair with a 96% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:38 AM, sunset at 8:17 PM