Weather forecast for todayDeKalb, IL

Weather forecast for today

Current condition 8:50 am CDT

  • 39°F
  • Feels like:
    36°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 80%
  • Dewpoint: 34°F
  • Pressure: 30.54"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
At the moment, in DeKalb, another day of fair weather brings comfortable and sunny conditions.
The temperature is a wintry 39.2°F, the apparent temperature is slightly different, estimated at a cold 35.6°F. The current temperature is almost at the minimum-predicted 37.4°F for today.

Saturday Oct 17, 2026

  • 55°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphWSW 239°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Today, sunny and dry conditions are anticipated.
The temperature variation is expected to range from a maximum of a refreshing 55.4°F to a minimum of a wintry 37.4°F.
The temperature is anticipated to be a few degrees lower than the standard October peak of 59.9°F.
Sunrise was at 7:10 am and sunset will be at 6:10 pm; the daylight will last for 11h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 9 am 39°C.

Chance of precipitation

Highest chance: 11 pm 2%.

Hourly weather forecast

  • 9 am
  • 39°F
  • Feels like:
    36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNNW 338°
  • Humidity: 77%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 45°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphW 280°
  • Humidity: 63%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 48°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 245°
  • Humidity: 54%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 232°
  • Humidity: 45%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 227°
  • Humidity: 41%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 231°
  • Humidity: 38%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 225°
  • Humidity: 38%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 227°
  • Humidity: 39%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 218°
  • Humidity: 43%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 209°
  • Humidity: 48%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:10 pm
  • 7 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 205°
  • Humidity: 53%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 201°
  • Humidity: 57%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 61%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 67%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 203°
  • Humidity: 71%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in DeKalb, clear skies and sunny weather are expected.
The temperature will be between the highest temperature of 55.4°F and the lowest temperature of 39.2°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, expect temperatures moderately lower than what is usual for October. Today, expect the temperature to be more consistent with the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 13:50:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 8:50 am CDT is 39.2°F.

Today, sun-filled conditions are expected to persist.

Today, the highest temperature in DeKalb will be 55.4°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be a couple of degrees lower than the average maximum temperature in October. Today, the lowest temperature will be also moderately lower than the average low temperature.

On Saturday, in DeKalb, sunrise was at 7:10 am and sunset will be at 6:10 pm (CDT).

Today, the daylight will last for 11h and 1min.