Weather forecast for tomorrowSouth Jacksonville, IL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:16 pm CDT
- details ▼
Tomorrow, on Monday, October 19, sun-filled skies will remain for most of the day.
A notable temperature range, reaching a high of an agreeable 71.6°F and a low of a wintry 41°F, is anticipated.
Expect a warmer feel as the forecasted high matches September's 77.7°F, rather than October's average of 64°F.
Sunrise will be at 7:15 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 1min.
A notable temperature range, reaching a high of an agreeable 71.6°F and a low of a wintry 41°F, is anticipated.
Expect a warmer feel as the forecasted high matches September's 77.7°F, rather than October's average of 64°F.
Sunrise will be at 7:15 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphS 170°
- Humidity: 76%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSE 169°
- Humidity: 81%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphS 177°
- Humidity: 90%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 171°
- Humidity: 92%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:15 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 173°
- Humidity: 90%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphS 174°
- Humidity: 60%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 183°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 177°
- Humidity: 34%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 165°
- Humidity: 33%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSE 156°
- Humidity: 45%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 124°
- Humidity: 66%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSE 128°
- Humidity: 76%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily clear and occasionally gloomy weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more close to September's typical high of 77.7°F than the average for October. The lowest temperature is more consistent with November's average minimum of 36°F than the usual minimum of 47.5°F in October.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more close to September's typical high of 77.7°F than the average for October. The lowest temperature is more consistent with November's average minimum of 36°F than the usual minimum of 47.5°F in October.
Updated: Oct 18, 2026 @ 12:29:46 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 Monday, expect plenty of sunshine and only a few scattered clouds.
Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 41°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 64°F in October. The lowest temperature will be also moderately lower than the average low of 47.5°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 64°F in October. The lowest temperature will be also moderately lower than the average low of 47.5°F.
On Monday, in South Jacksonville, sunrise will be at 7:15 am and sunset at 6:16 pm (CDT).
In South Jacksonville, the length of the day tomorrow will be 11h and 1min.
