Weather forecast for todaySomonauk, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 5:00 am CDT

  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphNE 40°
  • Humidity: 94%
  • Dewpoint: 36°F
  • Pressure: 30.4"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, weather conditions are clear, with excellent visibility.
The temperature is a cold 37.4°F. The current temperature is near the lowest anticipated 39.2°F for today.

Monday Oct 19, 2026

  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 175°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
On Monday, October 19, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature values will vary noticeably, extending from an agreeable 69.8°F to an icy 39.2°F.
A forecast high of 69.8°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:11 am and sunset at 6:07 pm; the daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 68°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 94%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:11 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphS 172°
  • Humidity: 92%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphS 180°
  • Humidity: 61%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 190°
  • Humidity: 46%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 37%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 173°
  • Humidity: 35%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphESE 116°
  • Humidity: 45%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphE 92°
  • Humidity: 65%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphE 79°
  • Humidity: 76%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Somonauk, a combination of clear and gloomy weather is expected.
The temperature will vary between the highest temperature of 68°F and the lowest temperature of 37.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 73.8°F more than October's 60.3°F. Forecasts indicate a night temperature moderately lower than the usual October minimum of 44.8°F.
Updated: Oct 19, 2026 @ 10:00:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (5:00 am CDT) is 37.4°F.

Today, sun-filled skies will remain for most of the day.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be noticeably higher than the average highest temperature of 60.3°F in October. The lowest temperature will be relatively lower than the average low of 44.8°F.

On Monday, in Somonauk, sunrise will be at 7:11 am and sunset at 6:07 pm (CDT).

In Somonauk, today, there will be 10h and 56min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Somonauk, Illinois, USA

  • en: Somonauk, Illinois, USA
  • es: Somonauk, Illinois, EE.UU.
  • hr: Somonauk, Ilinois, SAD
  • mk: Somonauk, Ilinois, SAD
  • sr: Somonauk, Ilinois, SAD
  • zh: 索莫诺克, 伊利诺伊, 美国
  • Latitude: 41.633713°
  • Longitude: -88.681059°
  • Elevation: 682 ft
  • Current time: 5:00am CDT
  • Sunrise: 7:11 am CDT
  • Sunset: 6:07 pm CDT
  • Timezone: America/Chicago

Nearby Somonauk, Illinois, USA

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