Weather forecast for todayFlat Rock, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:38 pm CDT

  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphNE 40°
  • Humidity: 33%
  • Dewpoint: 28°F
  • Pressure: 30.46"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
At the moment, the weather is bright and sunny.
The temperature is a moderate 57.2°F.

Saturday Oct 17, 2026

  • min.
  • 36°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphE 85°
  • Humidity: 72%
  • UV index: 0
  • Sunrise: 7:02 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
During the afternoon and for the rest of the day, expect nothing but clear skies from morning to night.
The lowest temperature will be a wintry 35.6°F.
Sunrise was at 7:02 am and sunset will be at 6:09 pm; the daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 57°C.
Coldest hour: 12 am 39°C.

Chance of precipitation

Highest chance: 12 am 2%.

Hourly weather forecast

  • 5 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 34°
  • Humidity: 34%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNE 40°
  • Humidity: 45%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:09 pm
  • 7 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNE 37°
  • Humidity: 57%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 52°
  • Humidity: 65%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 68°
  • Humidity: 72%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 81°
  • Humidity: 76%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 88°
  • Humidity: 79%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphE 98°
  • Humidity: 84%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphE 101°
  • Humidity: 86%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphESE 108°
  • Humidity: 87%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, sunshine is expected.
The temperature will vary between the highest temperature of 57.2°F and the lowest temperature of 41°F.
Updated: Oct 17, 2026 @ 21:38:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (4:38 pm CDT) it is 57.2°F in Flat Rock.

On Saturday, in Flat Rock, the weather will remain pristine and clear.

On Saturday, in Flat Rock, sunrise was at 7:02 am and sunset will be at 6:09 pm (CDT).

Today, the daylight will last for 11h and 7min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Flat Rock, Illinois, USA

  • en: Flat Rock, Illinois, USA
  • es: Flat Rock, Illinois, EE.UU.
  • hr: Flat Rok, Ilinois, SAD
  • mk: Flat Rok, Ilinois, SAD
  • sr: Flat Rok, Ilinois, SAD
  • zh: 弗拉特罗克, 伊利诺伊, 美国
  • Latitude: 38.901711°
  • Longitude: -87.671692°
  • Elevation: 505 ft
  • Current time: 4:38pm CDT
  • Sunrise: 7:02 am CDT
  • Sunset: 6:09 pm CDT
  • Timezone: America/Chicago

Nearby Flat Rock, Illinois, USA

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