Weather forecast for tomorrowGrant Park, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSSW 199°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Tomorrow, expect bright skies and plenty of sunshine.
The day's temperature range will span from a high of a comfortable 64.4°F to a minimum of a cold 35.6°F.
October's usual high of 61.7°F is expected to be matched by the day’s maximum temperature.
Sunrise will be at 7:05 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 59min.
The day's temperature range will span from a high of a comfortable 64.4°F to a minimum of a cold 35.6°F.
October's usual high of 61.7°F is expected to be matched by the day’s maximum temperature.
Sunrise will be at 7:05 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 37°C.
Coldest period: 3 am - 6 am 37°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSW 192°
- Humidity: 76%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 186°
- Humidity: 78%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSW 192°
- Humidity: 78%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:32°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSW 193°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:05 am
- 8 am
- 39°F
- Feels like:36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 75%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 201°
- Humidity: 50%
- Pressure: 30.5"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: 38%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 205°
- Humidity: 33%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 196°
- Humidity: 32%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 181°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 180°
- Humidity: 57%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphS 182°
- Humidity: 68%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily bright and sunny weather is anticipated.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be consistent with October's typical maximum. The minimum temperature will be more similar to November's average low of 34.5°F than October's typical 46.6°F.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be consistent with October's typical maximum. The minimum temperature will be more similar to November's average low of 34.5°F than October's typical 46.6°F.
Updated: Oct 17, 2026 @ 23:44:39 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
Tomorrow, conditions will remain bright with clear skies.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.6°F.
On Sunday, in Grant Park, sunrise will be at 7:05 am and sunset at 6:05 pm (CDT).
Tomorrow, the daylight will last for 10h and 59min.
