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Union Crossroads, South Carolina Weather Forecast
Union Crossroads, South Carolina Weather
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Weather Forecast for Union Crossroads, South Carolina : Clarendon County
Issued: 1:36 pm EST Dec 16, 2025 Latitude: 33.8015506 Longitude: -79.9864626 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Increasing Clouds on Wednesday 80% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 30°F High: 61°F High: 66°F High: 61°F High: 59°F High: 64°F High: 59°F High: 61°F
Low: 43°F Low: 52°F Low: 32°F Low: 37°F Low: 38°F Low: 37°F  
Mostly Clear Increasing Clouds Rain Sunny Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
FLORENCE - (KFLO)
55°
Clear
as of 2:53 PM EST
Rel. Humidity: 17%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
SUMTER/SHAW AFB - (KSSC)
59°
Clear
as of 2:55 PM EST
Rel. Humidity: 13%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
DARLINGTON - (KUDG)
54°
Clear
as of 2:56 PM EST
Rel. Humidity: 23%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Clear
Current Conditions at
MCENTIRE ANGB - (KMMT)
64°
Clear
as of 2:55 PM EST
Rel. Humidity: 10%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
3 MPH
200° South
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 30. Calm wind.
Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 61. Calm wind becoming west around 5 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 43. Calm wind.
80% chance of rain Thursday Thursday... Rain, mainly after 1pm. High near 66. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before 1am. Cloudy, with a low around 52. Calm wind becoming southwest 5 to 8 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunny on Friday Friday... Sunny, with a high near 61.
Clear on Friday Night Friday Night... Clear, with a low around 32.
Sunny on Saturday Saturday... Sunny, with a high near 59.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 37.
Sunny on Sunday Sunday... Sunny, with a high near 64.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 38.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 59.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 37.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 61.
Current Radar Image


Sun Almanac for Union Crossroads, South Carolina
Sunrise: 07:18 AM
Sunset: 5:13 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 6:12 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:42 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.