Weather forecast for 10 daysHartsville, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphESE 123°
- Humidity: 43%
- UV index: 5
- Sunrise: 7:05 am CDT
- Sunset: 6:12 pm CDT
- details ▼
On Sunday, in Hartsville, sunny skies and pleasant visibility are expected.
The highest daytime temperature will touch a comfortable 66.2°F, creating a significant contrast with the anticipated nighttime low of a wintry 37.4°F.
Today's peak temperature is anticipated to align with October's common high of 67.8°F.
Sunrise was at 7:05 am and sunset will be at 6:12 pm; the daylight will last for 11h and 8min.
The highest daytime temperature will touch a comfortable 66.2°F, creating a significant contrast with the anticipated nighttime low of a wintry 37.4°F.
Today's peak temperature is anticipated to align with October's common high of 67.8°F.
Sunrise was at 7:05 am and sunset will be at 6:12 pm; the daylight will last for 11h and 8min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: 6%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphESE 123°
- Humidity: 43%
- UV index: 5
- Sunrise: 7:05 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphS 178°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:06 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNE 44°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNE 37°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:08 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNNE 24°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:09 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphENE 71°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSE 129°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSW 217°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSW 228°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphESE 103°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:01 pm CDT
- details ▼
In the days ahead, a combination of mostly clear and gloomy weather is expected.
Rain is not anticipated in Hartsville in the upcoming period.
Significant changes in temperature are expected in the next ten days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest temperature will be between 37.4°F and 48.2°F.
Next Sunday is expected to be the warmest, reaching up to 78.8°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rain is not anticipated in Hartsville in the upcoming period.
Significant changes in temperature are expected in the next ten days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest temperature will be between 37.4°F and 48.2°F.
Next Sunday is expected to be the warmest, reaching up to 78.8°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 14:54:15 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, conditions remain stable and sunny, with little cloud presence.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 67.8°F in October. The lowest temperature today will be uncommonly lower than the average low of 49.3°F.
The highest temperature will be in line with the average maximum of 67.8°F in October. The lowest temperature today will be uncommonly lower than the average low of 49.3°F.
On Sunday, in Hartsville, sunrise was at 7:05 am and sunset will be at 6:12 pm (CDT).
Today in Hartsville, the daylight will last for 11h and 8min.
