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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 101 °F on Saturday, while the low is 51 °F on Monday. There are expected to be 3 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, September 8
- High of 82 °F, low of 51 °F (27% humidity)- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:43 AM, sunset at 7:31 PM
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Tuesday, September 9
- High of 86 °F, low of 55 °F (21% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:44 AM, sunset at 7:29 PM
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:44 AM, sunset at 7:29 PM

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Wednesday, September 10
- High of 91 °F, low of 60 °F (41% humidity)
- Sunny with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:45 AM, sunset at 7:27 PM
- Sunny with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:45 AM, sunset at 7:27 PM

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Thursday, September 11
- High of 92 °F, low of 63 °F (38% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:46 AM, sunset at 7:26 PM
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:46 AM, sunset at 7:26 PM

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Friday, September 12
- High of 98 °F, low of 65 °F (25% humidity)
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:47 AM, sunset at 7:24 PM
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:47 AM, sunset at 7:24 PM

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Saturday, September 13
- High of 101 °F, low of 72 °F (24% humidity)
- Partly cloudy with a 61% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:48 AM, sunset at 7:22 PM
- Partly cloudy with a 61% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:48 AM, sunset at 7:22 PM
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Sunday, September 14
- High of 101 °F, low of 71 °F (21% humidity)
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:49 AM, sunset at 7:20 PM
- Last quarter moon
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:49 AM, sunset at 7:20 PM
- Last quarter moon