Weather forecast for tomorrowDennison, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSSE 168°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:03 am CDT
- Sunset: 6:07 pm CDT
- details ▼
On Sunday, October 18, a sun-drenched sky is anticipated.
Considerable temperature fluctuations from a high of a comfortable 64.4°F to a low of a wintry 35.6°F are expected.
Tomorrow's forecasted high will be in line with October's typical peak of 64.6°F.
Sunrise will be at 7:03 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 4min.
Considerable temperature fluctuations from a high of a comfortable 64.4°F to a low of a wintry 35.6°F are expected.
Tomorrow's forecasted high will be in line with October's typical peak of 64.6°F.
Sunrise will be at 7:03 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 4min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSE 132°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSE 137°
- Humidity: 87%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSSE 147°
- Humidity: 88%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSSE 151°
- Humidity: 88%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:03 am
- 8 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSE 161°
- Humidity: 81%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 174°
- Humidity: 55%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 175°
- Humidity: 40%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 171°
- Humidity: 35%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 170°
- Humidity: 34%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 159°
- Humidity: 47%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:07 pm
- 8 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 152°
- Humidity: 68%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 150°
- Humidity: 77%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, clear skies and sunny weather are expected.
The temperature will vary between a minimum of 33.8°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is forecasted to be resembling the usual maximum for October. The lowest temperature is more comparable to November's average minimum of 36.3°F than the usual minimum of 47.7°F in October.
The temperature will vary between a minimum of 33.8°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is forecasted to be resembling the usual maximum for October. The lowest temperature is more comparable to November's average minimum of 36.3°F than the usual minimum of 47.7°F in October.
Updated: Oct 17, 2026 @ 17:08:13 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
On Sunday, the outlook remains bright and sunny.
Tomorrow, the highest temperature in Dennison will be 64.4°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 47.7°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 47.7°F.
On Sunday, in Dennison, sunrise will be at 7:03 am and sunset at 6:07 pm (CDT).
In Dennison, tomorrow, there will be 11h and 4min of daylight.





