Weather forecast for 10 daysSumner, IA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphSSW 209°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:22 pm CDT
- details ▼
Today, in Sumner, sun-filled conditions are expected to persist.
The temperature will fluctuate from a high of a mild 57.2°F to a low of a cold 39.2°F.
The forecasted daytime maximum should align with the typical October high of 57.7°F.
Sunrise was at 7:24 am and sunset will be at 6:22 pm; the daylight will last for 10h and 58min.
The temperature will fluctuate from a high of a mild 57.2°F to a low of a cold 39.2°F.
The forecasted daytime maximum should align with the typical October high of 57.7°F.
Sunrise was at 7:24 am and sunset will be at 6:22 pm; the daylight will last for 10h and 58min.
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 18mphSSW 197°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:25 am CDT
- Sunset: 6:21 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, clear and sunny conditions are expected.
The maximum anticipated temperature is a comfortable 64.4°F, while the minimum temperature will be an icy 41°F.
The anticipated top temperature is expected to be a couple of degrees higher than the usual 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.
The maximum anticipated temperature is a comfortable 64.4°F, while the minimum temperature will be an icy 41°F.
The anticipated top temperature is expected to be a couple of degrees higher than the usual 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.
10-day overview
Daily temperatures
Warmest period: Thursday - Saturday 73°C.
Coldest day: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: Monday 26.10. 10%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphSSW 209°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 18mphSSW 197°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:25 am CDT
- Sunset: 6:21 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphS 177°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:26 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphSSE 153°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:28 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 48°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphS 178°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:29 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphSSE 147°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:30 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphSE 146°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:31 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphSSE 161°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:32 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphW 264°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:34 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 50°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 8mphE 98°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:35 am CDT
- Sunset: 6:09 pm CDT
- details ▼
A combination of bright and overcast weather is forecasted.
Rain is not expected in Sumner in the upcoming period.
Substantial differences in temperature are forecasted over the next several days. Maximum temperatures are forecasted between 57.2°F and 73.4°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 39.2°F and 53.6°F.
With a maximum temperature of 73.4°F, Thursday through next Saturday will be the warmest days in Sumner; today is the coldest day, with a maximum temperature of 57.2°F.
Rain is not expected in Sumner in the upcoming period.
Substantial differences in temperature are forecasted over the next several days. Maximum temperatures are forecasted between 57.2°F and 73.4°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 39.2°F and 53.6°F.
With a maximum temperature of 73.4°F, Thursday through next Saturday will be the warmest days in Sumner; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 17:06:17 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
On Saturday, sunny conditions are expected to continue.
Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 57.7°F in October. Today, the lowest temperature will be also in line with the average low temperature.
The highest temperature will be in line with the average maximum of 57.7°F in October. Today, the lowest temperature will be also in line with the average low temperature.
On Saturday, in Sumner, sunrise was at 7:24 am and sunset will be at 6:22 pm (CDT).
In Sumner, today, there will be 10h and 58min of daylight.
Tomorrow, bright and sunny weather is expected.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The highest temperature will be moderately higher than the average maximum of 57.7°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be moderately higher than the average maximum of 57.7°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Sumner, sunrise will be at 7:25 am and sunset at 6:21 pm (CDT).
Tomorrow in Sumner, the daylight will last for 10h and 56min.





