Weather forecast for todaySomonauk, IL

Weather forecast for today

Current condition 3:58 am CDT

  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphN 10°
  • Humidity: 91%
  • Dewpoint: 36°F
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Somonauk, at the moment, uninterrupted clear skies make for a beautiful day.
The temperature is an icy 39.2°F. The current temperature is at its lowest of the day.

Monday Oct 19, 2026

  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 178°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
On Monday, October 19, sunshine will take center stage, with just faint traces of clouds.
Significant temperature variations are anticipated, soaring to a maximum of a delightful 69.8°F and descending to a minimum of an icy 39.2°F.
Forecasts show a high closer to September's climate pattern, around 73.8°F, rather than October's 60.3°F.
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: 2%.

Hourly weather forecast

  • 4 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphSSW 210°
  • Humidity: 91%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphS 188°
  • Humidity: 95%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:11 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphS 174°
  • Humidity: 90%
  • 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: 4mphS 180°
  • Humidity: 63%
  • 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: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 181°
  • 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 175°
  • 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 118°
  • Humidity: 44%
  • 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: 1mphE 93°
  • Humidity: 65%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphE 79°
  • Humidity: 76%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of bright and cloudy weather is anticipated.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 68°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more similar to September's average maximum of 73.8°F than October's usual of 60.3°F. The nighttime low will be a few degrees lower than the typical October minimum temperature of 44.8°F.
Updated: Oct 19, 2026 @ 08:58:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (3:58 am CDT) it is 39.2°F in Somonauk.

On Monday, in Somonauk, open skies and radiant sunshine are expected.

Today, the highest temperature will be 69.8°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 60.3°F in October. The lowest temperature will be a couple of degrees 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).

Today, the daylight will last for 10h and 56min.