Weather forecast for 10 daysSumner, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSE 143°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:03 am CDT
- Sunset: 6:09 pm CDT
- details ▼
On Sunday, October 18, a sun-drenched sky is anticipated.
The peak daytime temperature will touch a comfortable 66.2°F, while the nighttime temperature will descend to a wintry 37.4°F.
The highest temperature for today is expected to reflect October's average of 66°F.
Sunrise will be at 7:03 am and sunset at 6:09 pm; the daylight will last for 11h and 5min.
The peak daytime temperature will touch a comfortable 66.2°F, while the nighttime temperature will descend to a wintry 37.4°F.
The highest temperature for today is expected to reflect October's average of 66°F.
Sunrise will be at 7:03 am and sunset at 6:09 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: tomorrow - Monday 5%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSE 143°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:03 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphESE 122°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:04 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 47°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNE 32°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNE 34°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphE 81°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 124°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 176°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphE 95°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 5:57 pm CDT
- details ▼
Throughout the next ten days, a combination of clear and overcast weather is predicted.
Rainfall is not anticipated in Sumner in the upcoming period.
Noticeable swings in temperature are expected over the next several days. The maximum temperature will vary between 66.2°F and 78.8°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
With the highest temperature of 78.8°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not anticipated in Sumner in the upcoming period.
Noticeable swings in temperature are expected over the next several days. The maximum temperature will vary between 66.2°F and 78.8°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
With the highest temperature of 78.8°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 10:35:21 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 Sunday, expect consistent sunshine and open skies.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 49.3°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 49.3°F.
On Sunday, in Sumner, sunrise will be at 7:03 am and sunset at 6:09 pm (CDT).
In Sumner, today, there will be 11h and 5min of daylight.
