Weather forecast for 10 daysHartsville, SC

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphNE 34°
  • Humidity: 47%
  • UV index: 6
  • Sunrise: 7:28 am EDT
  • Sunset: 6:42 pm EDT
  • ▼
On Sunday, in Hartsville, sunshine and minimal clouds are in the outlook.
Temperatures are forecasted to peak at a comfortable 64.4°F and drop to a minimum of a frosty 44.6°F.
Today, the forecasted high will be lower and closer to November's typical value of 61.7°F than October's 72.7°F.
Sunrise was at 7:28 am and sunset will be at 6:42 pm; the daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: Tuesday 77°C.
Coldest day: today 64°C.

Chance of precipitation

Highest chance: 5%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphNE 34°
  • Humidity: 47%
  • UV index: 6
  • Sunrise: 7:28 am EDT
  • Sunset: 6:42 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphN 11°
  • Humidity: 45%
  • UV index: 6
  • Sunrise: 7:29 am EDT
  • Sunset: 6:41 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 77°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphN 4°
  • Humidity: 41%
  • UV index: 6
  • Sunrise: 7:30 am EDT
  • Sunset: 6:40 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphN 3°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:30 am EDT
  • Sunset: 6:38 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphN 355°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:31 am EDT
  • Sunset: 6:37 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphNE 37°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:32 am EDT
  • Sunset: 6:36 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphNE 36°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:33 am EDT
  • Sunset: 6:35 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphNNE 28°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:34 am EDT
  • Sunset: 6:34 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNNE 19°
  • Humidity: 59%
  • UV index: 5
  • Sunrise: 7:35 am EDT
  • Sunset: 6:33 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 75°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphNNE 29°
  • Humidity: 56%
  • UV index: 5
  • Sunrise: 7:36 am EDT
  • Sunset: 6:32 pm EDT
  • ▼
For the coming ten days, primarily mostly clear and occasionally cloudy weather is predicted.
Rain is not forecasted in Hartsville in the upcoming period.
Significant changes in temperature are expected across the forecast period. Highs will range from 64.4°F to 77°F, while nighttime temperatures are expected to vary from 44.6°F to 51.8°F.
Tuesday is expected to be the warmest, reaching up to 77°F; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 15:25:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, clear skies and sunshine are anticipated.

Today, the highest temperature in Hartsville will be 64.4°F, while the lowest temperature will be 44.6°F.
The maximum temperature today will be a couple of degrees lower than the average highest temperature in October. Today, the lowest temperature will be uncommonly lower than the average low of 55.8°F.

On Sunday, in Hartsville, sunrise was at 7:28 am and sunset will be at 6:42 pm (EDT).

Today, the daylight will last for 11h and 14min.