Weather forecast for tomorrowSumner, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 18mphSSW 197°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:25 am CDT
- Sunset: 6:21 pm CDT
- details ▼
On Sunday, October 18, expect consistent sunshine and open skies.
Temperature is anticipated to swing from a high of a comfortable 64.4°F to a low of a wintry 41°F.
The predicted high for tomorrow is predicted to be a couple of degrees higher than the typical October maximum of 57.7°F.
Sunrise will be at 7:25 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 56min.
Temperature is anticipated to swing from a high of a comfortable 64.4°F to a low of a wintry 41°F.
The predicted high for tomorrow is predicted to be a couple of degrees higher than the typical October maximum of 57.7°F.
Sunrise will be at 7:25 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSSW 198°
- Humidity: 75%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphSSW 198°
- Humidity: 79%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphSSW 200°
- Humidity: 84%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphSSW 196°
- Humidity: 86%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:25 am
- 8 am
- 41°F
- Feels like:34°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphSSW 194°
- Humidity: 86%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphSSW 198°
- Humidity: 67%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 18mphSSW 201°
- Humidity: 51%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSSW 197°
- Humidity: 47%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 43%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphS 190°
- Humidity: 47%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:21 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 185°
- Humidity: 64%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphS 191°
- Humidity: 74%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, bright and mostly sunny weather is expected.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will be between a minimum of 33.8°F and a maximum of 60.8°F. The warmest part of the day will be around 4 pm.
Tomorrow, the temperature is expected to be relatively higher than October's normal maximum of 57.7°F. The lowest temperature tomorrow will be also comparable to October's average minimum.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will be between a minimum of 33.8°F and a maximum of 60.8°F. The warmest part of the day will be around 4 pm.
Tomorrow, the temperature is expected to be relatively higher than October's normal maximum of 57.7°F. The lowest temperature tomorrow will be also comparable to October's average minimum.
Updated: Oct 17, 2026 @ 18:22:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, sunny skies and pleasant visibility are expected.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.4°F.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.4°F.
On Sunday, in Sumner, sunrise will be at 7:25 am and sunset at 6:21 pm (CDT).
In Sumner, tomorrow, there will be 10h and 56min of daylight.





