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 195°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
Tomorrow, in Summit, expect partly sunny skies with periods of cloudiness.
The temperature is expected to oscillate between a maximum of a warm 73.4°F and a minimum of a fresh 53.6°F.
Tomorrow, the expected temperature appears higher and closer to September's norm of 72.9°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 73°C.
Coldest hour: 6 am 52°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 59°F
  • Feels like:
    57°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 168°
  • Humidity: 63%
  • 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: 67%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 72%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphS 188°
  • Humidity: 76%
  • Pressure: 30.42"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: 74%
  • 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: 2
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 199°
  • Humidity: 46%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 204°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 198°
  • Humidity: 40%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:55 pm
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 177°
  • Humidity: 49%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 169°
  • Humidity: 58%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 197°
  • Humidity: 61%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, the weather will be cloudy.
The temperature will vary between the lowest temperature of 51.8°F and the highest temperature of 73.4°F. The warmest part of the day will be around 3 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the nighttime low will be moderately higher than October's typical minimum of 47.8°F.
Updated: Oct 24, 2026 @ 11:54:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, scattered clouds may briefly filter the sunlight, but it will remain bright overall.

Tomorrow, the highest temperature will be 73.4°F, while the lowest temperature will be 53.6°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature 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.