Weather forecast for tomorrowOttumwa, IA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 14mphS 190°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:24 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, a sun-drenched sky is also anticipated.
The daytime temperature will peak at a pleasant 68°F, significantly contrasting with the night's low of an icy 41°F.
Tomorrow, the peak temperature is forecasted to be relatively higher than the usual high for October at 61.7°F.
Sunrise will be at 7:24 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 191°
  • Humidity: 77%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 79%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphS 191°
  • Humidity: 83%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphS 186°
  • Humidity: 84%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 43°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphS 184°
  • Humidity: 81%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSSW 192°
  • Humidity: 62%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 196°
  • Humidity: 48%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 194°
  • Humidity: 44%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 188°
  • Humidity: 43%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 181°
  • Humidity: 47%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:24 pm
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphS 175°
  • Humidity: 67%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphS 178°
  • Humidity: 75%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between a minimum of 41°F and a maximum of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be slightly warmer than October's typical maximum temperature. The minimum temperature will be also moderately lower than October's average low of 44.8°F.
Updated: Oct 17, 2026 @ 14:41:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, uninterrupted sunshine is anticipated.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
The highest temperature will be relatively higher than the average maximum of 61.7°F in October. The lowest temperature will be also slightly cooler than the average low of 44.8°F.

On Sunday, in Ottumwa, sunrise will be at 7:24 am and sunset at 6:24 pm (CDT).

Tomorrow, the daylight will last for 11h and 0min.