Weather forecast for tomorrowSummit, IL

Weather forecast for tomorrow

Sunday Oct 25, 2026

  • 73°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSW 196°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
Tomorrow, in Summit, clouds and sunshine will create a dynamic sky throughout the day.
The maximum predicted temperature is a temperate 73.4°F, while the minimum temperature will be a fresh 53.6°F.
Forecasts show a high closer to September's climate pattern, around 72.9°F, rather than October's 60.1°F.
Sunrise will be at 7:15 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 40min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 52°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 169°
  • Humidity: 61%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphS 177°
  • Humidity: 65%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphS 185°
  • Humidity: 70%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 186°
  • Humidity: 75%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:15 am
  • 8 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 185°
  • Humidity: 75%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 200°
  • Humidity: 59%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 201°
  • Humidity: 46%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 202°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 198°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:55 pm
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 50%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 177°
  • Humidity: 59%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 61%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, cloudy weather is expected.
The temperature will be between the lowest temperature of 51.8°F and the highest temperature of 71.6°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, temperatures will be more consistent with the climate of September than the usual maximum in October. Forecasts indicate a night temperature slightly warmer than the usual October minimum of 47.8°F.
Updated: Oct 24, 2026 @ 05:39:21 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, the sky will feature a blend of clouds and sunshine.

Tomorrow, the highest temperature will be 73.4°F, while the lowest temperature will be 53.6°F.
The highest temperature tomorrow will be notably higher than the average maximum of 60.1°F in October. The lowest temperature will be a few degrees higher than the average low of 47.8°F.

On Sunday, in Summit, sunrise will be at 7:15 am and sunset at 5:55 pm (CDT).

In Summit, tomorrow, there will be 10h and 40min of daylight.