Sioux City 7-day weather forecast

Written by:
September 29, 2025
ESOlex // Shutterstock

Sioux City 7-day weather forecast

Stacker created the forecast for Sioux City, Iowa using data from OpenWeather. This week's high is 65 °F on Thursday, while the low is 36 °F on Wednesday. There are expected to be 4 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, October 20

- High of 64 °F, low of 48 °F (43% humidity)
- Overcast with a 0% chance of rain
- Fresh breeze (21 mph wind)
- Sunrise at 7:44 AM, sunset at 6:35 PM
1 / 6
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Tuesday, October 21

- High of 55 °F, low of 41 °F (43% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (24 mph wind)
- Sunrise at 7:45 AM, sunset at 6:34 PM
- New moon
2 / 6
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Wednesday, October 22

- High of 61 °F, low of 36 °F (30% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:47 AM, sunset at 6:32 PM
3 / 6
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Thursday, October 23

- High of 65 °F, low of 40 °F (28% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:48 AM, sunset at 6:31 PM
4 / 6
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Friday, October 24

- High of 64 °F, low of 42 °F (28% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:49 AM, sunset at 6:29 PM
5 / 6
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Saturday, October 25

- High of 62 °F, low of 42 °F (55% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:50 AM, sunset at 6:28 PM
6 / 6
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Sunday, October 26

- High of 64 °F, low of 53 °F (72% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:52 AM, sunset at 6:26 PM

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