Hearthstone, South Carolina Weather
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Weather Forecast for Hearthstone, South Carolina : Sumter County
Issued: 7:14 pm EDT Jul 17, 2025 Latitude: 33.9423784 Longitude: -80.4192489 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Tonight 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday Mostly Sunny on Sunday 60% chance of thunderstorms on Monday 50% chance of thunderstorms on Tuesday 40% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday
Low: 75°F High: 96°F High: 97°F High: 98°F High: 96°F High: 90°F High: 90°F High: 93°F
Low: 76°F Low: 78°F Low: 77°F Low: 74°F Low: 72°F Low: 71°F  
Mostly Clear Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
SUMTER/SHAW AFB - (KSSC)
91°
Feels like 102°F
Clear
as of 7:55 PM EDST
Rel. Humidity: 59%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
MCENTIRE ANGB - (KMMT)
90°
Feels like 98°F
Clear
as of 7:55 PM EDST
Rel. Humidity: 59%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
3 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
COLUMBIA-OWENS ARPT - (KCUB)
90°
Feels like 98°F
Clear
as of 7:53 PM EDST
Rel. Humidity: 59%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
COLUMBIA METROPOLITAN - (KCAE)
91°
Feels like 100°F
Partly Cloudy
as of 7:56 PM EDST
Rel. Humidity: 55%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Few at 5000ft, Scattered at 20000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 75. South wind 3 to 5 mph.
20% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 96. Heat index values as high as 105. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 76. Light southwest wind.
20% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 78. Southwest wind 3 to 5 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny and hot, with a high near 98.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 77.
60% chance of thunderstorms Monday Monday... Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
50% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
30% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
40% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Hearthstone, South Carolina
Sunrise: 06:23 AM
Sunset: 8:32 PM
Civil Sunrise:05:55 AM
Civil Sunset: 9:01 PM
Nautical Sunrise: 05:21 AM
Nautical Sunset: 9:35 PM
Astro Sunrise: 04:43 AM
Astro Sunset: 10:13 PM
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