Weather forecast for 10 daysSummit, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 59°F
- 43°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 222°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:06 pm CDT
- details ▼
On Saturday, in Summit, bright conditions and mild breezes are expected.
Temperatures will oscillate between a moderate 59°F at their highest and a chilly 42.8°F at their lowest.
The maximum temperature today is forecasted to reflect October's average high of 60.1°F.
Sunrise was at 7:06 am and sunset will be at 6:06 pm; the daylight will last for 11h and 1min.
Temperatures will oscillate between a moderate 59°F at their highest and a chilly 42.8°F at their lowest.
The maximum temperature today is forecasted to reflect October's average high of 60.1°F.
Sunrise was at 7:06 am and sunset will be at 6:06 pm; the daylight will last for 11h and 1min.
Sunday Oct 18, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSSW 206°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
On Sunday, October 18, the outlook remains bright and sunny.
Temperature span will be from a high of an enjoyable 64.4°F to a low of a brisk 42.8°F.
The expected high will be a couple of degrees higher than October's standard temperature of 60.1°F.
Sunrise will be at 7:07 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.
Temperature span will be from a high of an enjoyable 64.4°F to a low of a brisk 42.8°F.
The expected high will be a couple of degrees higher than October's standard temperature of 60.1°F.
Sunrise will be at 7:07 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 73°C.
Coldest day: today 59°C.
Coldest day: today 59°C.
Chance of precipitation
Highest chance: Monday 26.10. 8%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 59°F
- 43°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 222°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSSW 206°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 192°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 48°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSE 124°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 48°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 50°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 142°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 50°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphESE 114°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSE 137°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:14 am CDT
- Sunset: 5:56 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 195°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:15 am CDT
- Sunset: 5:55 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 54°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphNE 35°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 5:53 pm CDT
- details ▼
Over the next ten days, conditions will reflect that a combination of sunny and overcast weather is expected.
Rainfall is not predicted in Summit in the upcoming days.
There will be a considerable variation in temperature across the forecast period. Highs will range from 59°F to 73.4°F, while the forecast minimum temperature falls between 42.8°F and 53.6°F.
Next Sunday will be the warmest day, with a maximum temperature of 73.4°F; today is the coldest day, with a maximum temperature of 59°F.
Rainfall is not predicted in Summit in the upcoming days.
There will be a considerable variation in temperature across the forecast period. Highs will range from 59°F to 73.4°F, while the forecast minimum temperature falls between 42.8°F and 53.6°F.
Next Sunday will be the warmest day, with a maximum temperature of 73.4°F; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 17:29:41 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
Today, in Summit, mainly sunny skies with just a few high clouds are anticipated.
Today, the maximum temperature in Summit will be 59°F, while the minimum temperature will be 42.8°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be slightly cooler than the average low temperature.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be slightly cooler than the average low temperature.
On Saturday, in Summit, sunrise was at 7:06 am and sunset will be at 6:06 pm (CDT).
Today, the daylight will last for 11h and 1min.
Tomorrow, skies are expected to be clear and full of sunshine.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 42.8°F.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 47.8°F.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 47.8°F.
On Sunday, in Summit, sunrise will be at 7:07 am and sunset at 6:05 pm (CDT).
In Summit, tomorrow, there will be 10h and 58min of daylight.
