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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 : Williamsburg County
Issued: 12:14 pm EST Dec 16, 2025 Latitude: 33.6382226 Longitude: -79.4245008 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Partly Sunny on Wednesday 70% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 32°F High: 62°F High: 67°F High: 63°F High: 60°F High: 66°F High: 58°F High: 60°F
Low: 45°F Low: 53°F Low: 33°F Low: 39°F Low: 40°F Low: 39°F  
Mostly Clear Partly Sunny Rain Sunny Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MYRTLE BEACH AFB - (KMYR)
48°
Clear
as of 2:53 PM EST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Clear
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
N MYRTLE BEACH - (KCRE)
48°
Clear
as of 2:53 PM EST
Rel. Humidity: 31%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
WHITEVILLE/COLUMBUS - (KCPC)
54°
Clear
as of 2:57 PM EST
Rel. Humidity: 17%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 32. Calm wind.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 62. Calm wind becoming west around 5 mph.
20% chance of rain Wednesday Night Wednesday Night... A slight chance of showers after 1am. Cloudy, with a low around 45. Calm wind. Chance of precipitation is 20%.
70% chance of rain Thursday Thursday... Showers likely, mainly after 1pm. Cloudy, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
70% chance of rain Thursday Night Thursday Night... Showers likely, mainly before 1am. Cloudy, with a low around 53. South wind 5 to 8 mph, with gusts as high as 16 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 63.
Clear on Friday Night Friday Night... Clear, with a low around 33.
Sunny on Saturday Saturday... Sunny, with a high near 60.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 39.
Sunny on Sunday Sunday... Sunny, with a high near 66.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 40.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 58.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 39.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 60.
Current Radar Image


Sun Almanac for Union Crossroads, South Carolina
Sunrise: 07:16 AM
Sunset: 5:11 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:39 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:40 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.