Weather forecast for 10 daysHartsville, PA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 43°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
On Sunday, in Hartsville, expect bright skies and plenty of sunshine.
Expected temperature values will span from a mild 59°F down to a wintry 37.4°F.
Today, the expected high temperature will be a few degrees lower than the average October peak of 63.9°F.
Sunrise was at 7:14 am and sunset will be at 6:16 pm; the daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Maximum temperature: 70°C.
Coldest day: today 59°C.

Chance of precipitation

Highest chance: 9%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 59°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 43°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphNNE 30°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNNE 21°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphNNE 27°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:17 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 10mphN 0°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphNNE 19°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphNE 35°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:08 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphNNW 333°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNW 319°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 7mphN 3°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:24 am EDT
  • Sunset: 6:04 pm EDT
  • ▼
Weather patterns suggest that primarily sunny and occasionally dull weather is predicted.
Rainfall is not expected in Hartsville in the upcoming period.
In the upcoming period, the highest temperature will vary between 59°F and 69.8°F, while the forecast minimum temperature falls between 35.6°F and 46.4°F.
The warmest days will be Tuesday and next Monday, with a maximum of 69.8°F; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 18, 2026 @ 13:51:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Hartsville, sun-filled conditions are expected to persist.

Today, the highest temperature will be 59°F, while the lowest temperature will be 37.4°F.
The highest temperature will be moderately lower than the average maximum of 63.9°F in October. The lowest temperature today will be significantly lower than the average low of 48.9°F.

On Sunday, in Hartsville, sunrise was at 7:14 am and sunset will be at 6:16 pm (EDT).

In Hartsville, Pennsylvania, the length of the day today will be 11h and 2min.