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Hearthstone, South Carolina Weather Forecast
Hearthstone, South Carolina Weather
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Weather Forecast for Hearthstone, South Carolina : Sumter County
Issued: 11:51 pm EST Dec 16, 2025 Latitude: 33.9423784 Longitude: -80.4192489 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Overnight Partly Sunny on Wednesday 90% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 31°F High: 61°F High: 64°F High: 62°F High: 59°F High: 66°F High: 60°F High: 57°F
Low: 43°F Low: 53°F Low: 33°F Low: 38°F Low: 40°F Low: 37°F  
Mostly Clear Partly Sunny Rain Sunny Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
SUMTER/SHAW AFB - (KSSC)
37°
Clear
as of 11:55 PM EST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MCENTIRE ANGB - (KMMT)
30°
Clear
as of 11:55 PM EST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
COLUMBIA-OWENS ARPT - (KCUB)
34°
Clear
as of 11:53 PM EST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
COLUMBIA METROPOLITAN - (KCAE)
32°
Clear
as of 11:56 PM EST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
3 MPH
280° West
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 31. Calm wind.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 61. Calm wind becoming southwest around 6 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 43. Calm wind.
90% chance of rain Thursday Thursday... Rain, mainly after 7am. High near 64. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Thursday Night Thursday Night... Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then rain likely after 1am. Low around 53. Light south wind becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunny on Friday Friday... Sunny, with a high near 62.
Clear on Friday Night Friday Night... Clear, with a low around 33.
Sunny on Saturday Saturday... Sunny, with a high near 59.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 38.
Sunny on Sunday Sunday... Sunny, with a high near 66.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 40.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 60.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 37.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 57.
Current Radar Image


Sun Almanac for Hearthstone, South Carolina
Sunrise: 07:21 AM
Sunset: 5:15 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:43 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 6:14 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 6:44 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.