Weather forecast for todayGrant Park, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 3:34 pm CDT

  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 12mphSSW 200°
  • Humidity: 30%
  • Dewpoint: 30°F
  • Pressure: 30.38"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
Currently, in Grant Park, the sun is casting warm light across the landscape.
The temperature is a breezy 64.4°F, while the real-feel temperature is a similar 62.6°F.

Sunday Oct 18, 2026

  • min.
  • 36°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 12mphS 187°
  • Humidity: 63%
  • UV index: 0
  • Sunrise: 7:05 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
In Grant Park, through the afternoon and beyond, blue skies and clear weather will prevail.
The lowest temperature will be a wintry 35.6°F.
Sunrise was at 7:05 am and sunset will be at 6:05 pm; the daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 64°C.
Coldest hour: 12 am 45°C.

Chance of precipitation

Highest chance: 11 pm - 12 am 2%.

Hourly weather forecast

  • 4 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 196°
  • Humidity: 30%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphS 190°
  • Humidity: 31%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 180°
  • Humidity: 38%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 7 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 176°
  • Humidity: 47%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 178°
  • Humidity: 55%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 59%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 64%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 188°
  • Humidity: 68%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSW 197°
  • Humidity: 72%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSSW 195°
  • Humidity: 76%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
During the afternoon and for the rest of the day, bright skies and dry conditions are anticipated.
The temperature will be between a maximum of 64.4°F and a minimum of 46.4°F.
Updated: Oct 18, 2026 @ 20:34:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (3:34 pm CDT) is 64.4°F.

On Sunday, skies will be completely cloud-free.

On Sunday, in Grant Park, sunrise was at 7:05 am and sunset will be at 6:05 pm (CDT).

Today, the daylight will last for 10h and 59min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Grant Park, Illinois, USA

  • en: Grant Park, Illinois, USA
  • es: Grant Park, Illinois, EE.UU.
  • hr: Grant Park, Ilinois, SAD
  • mk: Grant Park, Ilinois, SAD
  • sr: Grant Park, Ilinois, SAD
  • zh: Grant Park, 伊利诺伊, 美国
  • Latitude: 41.241145°
  • Longitude: -87.646149°
  • Elevation: 699 ft
  • Current time: 3:34pm CDT
  • Sunrise: 7:05 am CDT
  • Sunset: 6:05 pm CDT
  • Timezone: America/Chicago

Nearby Grant Park, Illinois, USA

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