Hartsville, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hartsville, SC in one place.
Sunny, with a high near 91. Northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Hartsville, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 5:50 PM EDT.
The active forecast window currently covers Aug 25 to Aug 29, 2026 for Hartsville, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 5:50 PM EDT
- Forecast office
- ILM
- Source
- NOAA / NWS
Daily Outlook
This Week in Hartsville
Wednesday looks like the warmest upcoming period in Hartsville at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 6 mph NE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 5:50 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- ILM
- Radar station
- KCAE
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 70.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Sunny
|
91°F |
2 to 6 mph
NE
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
70°F |
2 mph
E
|
|
Wednesday
Aug 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
0 to 3 mph
E
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
71°F |
3 mph
S
|
|
Thursday
Aug 27
|
Slight Chance Showers And Thunderstorms
|
89°F |
1 to 5 mph
SW
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
72°F |
3 mph
S
|
|
Friday
Aug 28
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
3 mph
SW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms
|
72°F |
1 mph
E
|
|
Saturday
Aug 29
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
1 mph
S
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
72°F |
1 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hartsville.
