Sumter Junction, South Carolina Weather
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Weather Forecast for Sumter Junction, South Carolina : Sumter County
Issued: 7:27 pm EDT May 23, 2025 Latitude: 33.8354346 Longitude: -80.5659191 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Memorial Day Tuesday Wednesday Thursday Friday
Mostly Clear on Tonight Mostly Sunny on Saturday 70% chance of thunderstorms on Sunday 40% chance of thunderstorms on Memorial Day 80% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday 50% chance of on Thursday 50% chance of thunderstorms on Friday
Low: 58°F High: 82°F High: 86°F High: 79°F High: 79°F High: 83°F High: 84°F High: 86°F
Low: 62°F Low: 64°F Low: 64°F Low: 66°F Low: 65°F Low: 66°F  
Mostly Clear Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Partly Sunny Thunderstorms
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Current Conditions at
SUMTER/SHAW AFB - (KSSC)
82°
Mostly Clear
as of 6:55 PM EDST
Rel. Humidity: 34%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
9 MPH
320° Northwest
Cloud Level(s): Few at 8000ft
Current Conditions at
MCENTIRE ANGB - (KMMT)
82°
Clear
as of 6:55 PM EDST
Rel. Humidity: 37%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
9 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
COLUMBIA-OWENS ARPT - (KCUB)
82°
Clear
as of 6:53 PM EDST
Rel. Humidity: 37%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
9 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
ORANGEBURG - (KOGB)
82°
Mostly Clear
as of 6:53 PM EDST
Rel. Humidity: 42%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
12 MPH
260° West
Cloud Level(s): Few at 6500ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 58. West wind 5 to 7 mph becoming calm in the evening.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 82. Calm wind.
30% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
60% chance of thunderstorms Sunday Night Sunday Night... Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
40% chance of thunderstorms Memorial Day Memorial Day... A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
80% chance of thunderstorms Tuesday Tuesday... A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.
80% chance of thunderstorms Tuesday Night Tuesday Night... Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 66. Chance of precipitation is 80%.
60% chance of thunderstorms Wednesday Wednesday... A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
60% chance of thunderstorms Wednesday Night Wednesday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
50% chance of Thursday Thursday... A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
30% chance of rain Thursday Night Thursday Night... A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
50% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Current Radar Image


Sun Almanac for Sumter Junction, South Carolina
Sunrise: 06:16 AM
Sunset: 8:22 PM
Civil Sunrise:05:48 AM
Civil Sunset: 8:50 PM
Nautical Sunrise: 05:13 AM
Nautical Sunset: 9:25 PM
Astro Sunrise: 04:36 AM
Astro Sunset: 10:02 PM
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