Weather forecast for todaySummit, IL

Weather forecast for today

Current condition 9:52 am CDT

  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 5mphNW 320°
  • Humidity: 55%
  • Dewpoint: 32°F
  • Pressure: 30.54"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
In Summit, currently, the weather is partly cloudy with occasional clear patches.
The temperature is a frosty 46.4°F. The current temperature is relatively far from today's maximum-anticipated 57.2°F.

Saturday Oct 17, 2026

  • 57°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSW 229°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
On Saturday, in Summit, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The maximum temperature will be a refreshing 57.2°F, while the minimum predicted temperature is a cold 41°F.
The highest temperature for today is forecasted to reflect October's average 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.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 57°C.
Coldest hour: 12 am 46°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 10 am
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphWNW 290°
  • Humidity: 55%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSW 233°
  • Humidity: 54%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSSW 213°
  • Humidity: 51%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 215°
  • Humidity: 50%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 218°
  • Humidity: 50%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 226°
  • Humidity: 46%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 226°
  • Humidity: 43%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 228°
  • Humidity: 43%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSW 217°
  • Humidity: 50%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:06 pm
  • 7 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 209°
  • Humidity: 54%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 207°
  • Humidity: 57%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 209°
  • Humidity: 60%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 208°
  • Humidity: 64%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 205°
  • Humidity: 66%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Summit, a combination of dry and sunny and cloud-filled weather is forecasted.
The temperature will be between a minimum of 46.4°F and a maximum of 57.2°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the forecasted high aligns similar to the average peak in October. The lowest temperature is more consistent with November's average minimum of 35.4°F than the usual minimum of 47.8°F in October.
Updated: Oct 17, 2026 @ 14:52:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (9:52 am CDT) it is 46.4°F in Summit.

Today, in Summit, a mix of clouds and blue sky is expected.

Today, the highest temperature will be 57.2°F, while the lowest temperature will be 41°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be relatively lower than the average low of 47.8°F.

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.