Weather forecast for 10 daysSouth Jacksonville, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphS 178°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:17 pm CDT
- details ▼
On Sunday, October 18, sunshine is forecasted under mostly clear skies.
A remarkable high of an enjoyable 66.2°F during the day and a stark low of an icy 37.4°F at night are expected.
The expected maximum is anticipated to be in line with the regular October temperature of 64°F.
Sunrise was at 7:14 am and sunset will be at 6:17 pm; the daylight will last for 11h and 3min.
A remarkable high of an enjoyable 66.2°F during the day and a stark low of an icy 37.4°F at night are expected.
The expected maximum is anticipated to be in line with the regular October temperature of 64°F.
Sunrise was at 7:14 am and sunset will be at 6:17 pm; the daylight will last for 11h and 3min.
10-day overview
Daily temperatures
Warmest period: Saturday - Sunday 79°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 12%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphS 178°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- 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 ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSE 126°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSSW 194°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 3mphE 95°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSE 133°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSE 159°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 202°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 207°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:23 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 6mphSSE 151°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:05 pm CDT
- details ▼
In the days ahead, a combination of mostly clear and gloomy weather is predicted.
Rainfall is not anticipated in South Jacksonville in the upcoming period.
Noticeable swings in temperature are expected in the coming days. Highs will range from 66.2°F to 78.8°F, while the lowest night temperatures will vary also significantly, as the minimum temperature is expected to range between 37.4°F and 50°F.
With a maximum temperature of 78.8°F, Saturday and next Sunday will be the warmest days in South Jacksonville; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not anticipated in South Jacksonville in the upcoming period.
Noticeable swings in temperature are expected in the coming days. Highs will range from 66.2°F to 78.8°F, while the lowest night temperatures will vary also significantly, as the minimum temperature is expected to range between 37.4°F and 50°F.
With a maximum temperature of 78.8°F, Saturday and next Sunday will be the warmest days in South Jacksonville; today is the coldest day, with a maximum temperature of 66.2°F.
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
Today, sun-filled conditions are expected to persist.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 47.5°F.
The maximum temperature today will be in line with the average highest temperature in October. Today, the lowest temperature will be significantly lower than the average low of 47.5°F.
On Sunday, in South Jacksonville, sunrise was at 7:14 am and sunset will be at 6:17 pm (CDT).
In South Jacksonville, today, there will be 11h and 3min of daylight.
