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Ottumwa 7-day weather forecast
Stacker created the forecast for Ottumwa, Iowa using data from OpenWeather. This week's high is 93 °F on Wednesday, while the low is 62 °F on Saturday. There are expected to be 0 sunny days and rain on 7 days this week.
There are currently no weather alerts.
Monday, September 15
- High of 91 °F, low of 67 °F (40% humidity)- Overcast with a 100% chance of rain (5 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:50 AM, sunset at 7:19 PM
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Tuesday, September 16
- High of 92 °F, low of 66 °F (40% humidity)
- Mostly cloudy with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:51 AM, sunset at 7:17 PM
- Mostly cloudy with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:51 AM, sunset at 7:17 PM

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Leszek Glasner // Shutterstock
Wednesday, September 17
- High of 93 °F, low of 66 °F (36% humidity)
- Overcast with a 82% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:52 AM, sunset at 7:15 PM
- Overcast with a 82% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:52 AM, sunset at 7:15 PM

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Thursday, September 18
- High of 87 °F, low of 67 °F (38% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:53 AM, sunset at 7:14 PM
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:53 AM, sunset at 7:14 PM

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Deborah Kolb // Shutterstock
Friday, September 19
- High of 73 °F, low of 64 °F (74% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:54 AM, sunset at 7:12 PM
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:54 AM, sunset at 7:12 PM

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Cari Rubin Photography // Shutterstock
Saturday, September 20
- High of 78 °F, low of 62 °F (65% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:55 AM, sunset at 7:10 PM
- Overcast with a 100% chance of rain (8 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:55 AM, sunset at 7:10 PM
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LeManna // Shutterstock
Sunday, September 21
- High of 75 °F, low of 63 °F (74% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:56 AM, sunset at 7:08 PM
- New moon
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:56 AM, sunset at 7:08 PM
- New moon