Waterloo 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Waterloo 7-day weather forecast

Stacker created the forecast for Waterloo, Iowa using data from OpenWeather. This week's high is 90 °F on Sunday, while the low is 65 °F on Tuesday. There are expected to be 2 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, July 6

- High of 86 °F, low of 67 °F (67% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:38 AM, sunset at 8:49 PM
1 / 6
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Tuesday, July 7

- High of 86 °F, low of 65 °F (68% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:39 AM, sunset at 8:48 PM
- Last quarter moon
2 / 6
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Wednesday, July 8

- High of 83 °F, low of 66 °F (73% 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 5:39 AM, sunset at 8:48 PM
3 / 6
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Thursday, July 9

- High of 78 °F, low of 70 °F (86% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:40 AM, sunset at 8:48 PM
4 / 6
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Friday, July 10

- High of 82 °F, low of 67 °F (72% humidity)
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:41 AM, sunset at 8:47 PM
5 / 6
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Saturday, July 11

- High of 83 °F, low of 69 °F (79% humidity)
- Overcast with a 0% chance of rain
- Light breeze (7 mph wind)
- Sunrise at 5:42 AM, sunset at 8:47 PM
6 / 6
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Sunday, July 12

- High of 90 °F, low of 71 °F (70% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 5:42 AM, sunset at 8:46 PM

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