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 78 °F on Monday, while the low is 33 °F on Saturday. There are expected to be 4 sunny days and rain on 3 days this week.

NWS Denver CO has issued a red flag warning until Tuesday at 08:00 PM.

Monday, March 30

- High of 78 °F, low of 56 °F (12% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:48 AM, sunset at 7:22 PM
1 / 6
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Tuesday, March 31

- High of 60 °F, low of 48 °F (39% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:46 AM, sunset at 7:23 PM
2 / 6
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Wednesday, April 1

- High of 55 °F, low of 42 °F (62% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:44 AM, sunset at 7:24 PM
- Full moon
3 / 6
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Thursday, April 2

- High of 70 °F, low of 39 °F (29% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:43 AM, sunset at 7:25 PM
4 / 6
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Friday, April 3

- High of 50 °F, low of 36 °F (23% humidity)
- Sunny with a 29% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (24 mph wind)
- Sunrise at 6:41 AM, sunset at 7:26 PM
5 / 6
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Saturday, April 4

- High of 59 °F, low of 33 °F (24% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:40 AM, sunset at 7:27 PM
6 / 6
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Sunday, April 5

- High of 68 °F, low of 40 °F (11% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:38 AM, sunset at 7:28 PM

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