Weather forecast for tomorrowSummit, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 204°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
On Sunday, in Summit, the weather remains calm, bright, and sunny.
The maximum anticipated temperature is a comfortable 64.4°F, while the minimum temperature will be a cold 41°F.
Tomorrow's peak is expected to be moderately higher than the regular high for October at 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.
The maximum anticipated temperature is a comfortable 64.4°F, while the minimum temperature will be a cold 41°F.
Tomorrow's peak is expected to be moderately higher than the regular high for October at 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.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 43°C.
Coldest period: 3 am - 6 am 43°C.
Chance of precipitation
Highest chance: 12 am - 3 am 3%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 203°
- Humidity: 68%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 206°
- Humidity: 72%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 203°
- Humidity: 72%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 204°
- Humidity: 73%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:07 am
- 8 am
- 45°F
- Feels like:39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 202°
- Humidity: 66%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 207°
- Humidity: 50%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 206°
- Humidity: 42%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 206°
- Humidity: 38%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 204°
- Humidity: 36%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 193°
- Humidity: 43%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 55°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 186°
- Humidity: 50%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 195°
- Humidity: 54%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature tomorrow will be a few degrees higher than October's typical maximum temperature. Tomorrow, expect the temperature to be more comparable to the typical minimum for November than for October.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature tomorrow will be a few degrees higher than October's typical maximum temperature. Tomorrow, expect the temperature to be more comparable to the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 19:57:22 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, sunshine will likely continue with scattered clouds at most.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 60.1°F in October. The lowest temperature will be also relatively lower than the average low of 47.8°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 60.1°F in October. The lowest temperature will be also relatively lower 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).
Tomorrow, the daylight will last for 10h and 58min.
