Weather forecast for tomorrowDeKalb, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 201°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Tomorrow, on Sunday, skies are expected to be clear and full of sunshine.
The maximum temperature will be a comfortable 64.4°F, while the minimum forecasted temperature is an icy 39.2°F.
The highest temperature is predicted to be a few degrees higher than the average October peak of 59.9°F.
Sunrise will be at 7:11 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 58min.
The maximum temperature will be a comfortable 64.4°F, while the minimum forecasted temperature is an icy 39.2°F.
The highest temperature is predicted to be a few degrees higher than the average October peak of 59.9°F.
Sunrise will be at 7:11 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 200°
- Humidity: 73%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 202°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 204°
- Humidity: 80%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 202°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:11 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphSSW 202°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 13mphSSW 200°
- Humidity: 60%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSSW 205°
- Humidity: 46%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 205°
- Humidity: 40%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSSW 201°
- Humidity: 39%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 186°
- Humidity: 46%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:09 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 184°
- Humidity: 58%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphSSW 193°
- Humidity: 65%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will be between a minimum of 39.2°F and a maximum of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be a couple of degrees higher than October's typical maximum temperature. Tomorrow, the temperature is expected to be also moderately lower than October's normal minimum of 44.1°F.
The temperature will be between a minimum of 39.2°F and a maximum of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be a couple of degrees higher than October's typical maximum temperature. Tomorrow, the temperature is expected to be also moderately lower than October's normal minimum of 44.1°F.
Updated: Oct 17, 2026 @ 17:47:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, uninterrupted sunshine is anticipated.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be a few degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
The highest temperature tomorrow will be a few degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
On Sunday, in DeKalb, sunrise will be at 7:11 am and sunset at 6:09 pm (CDT).
Tomorrow, the daylight will last for 10h and 58min.





