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Harper Crossroads, South Carolina Weather Forecast
Harper Crossroads, South Carolina Weather
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Weather Forecast for Harper Crossroads, South Carolina : Williamsburg County
Issued: 12:29 am EST Dec 17, 2025 Latitude: 33.467389 Longitude: -79.5658971 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Overnight Mostly Sunny on Wednesday 80% chance of thunderstorms on Thursday Mostly Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 32°F High: 63°F High: 68°F High: 64°F High: 60°F High: 66°F High: 60°F High: 60°F
Low: 44°F Low: 55°F Low: 34°F Low: 40°F Low: 41°F Low: 38°F  
Mostly Clear Mostly Sunny Thunderstorms Mostly Sunny Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MYRTLE BEACH AFB - (KMYR)
46°
Clear
as of 11:53 PM EST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
CHARLESTON - (KCHS)
41°
Mostly Clear
as of 11:56 PM EST
Rel. Humidity: 93%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
3 MPH
200° South
Cloud Level(s): Few at 25000ft
Current Conditions at
FLORENCE - (KFLO)
37°
Clear
as of 11:53 PM EST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
5 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
N MYRTLE BEACH - (KCRE)
36°
Clear
as of 11:53 PM EST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 32. Calm wind.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 63. Light west wind.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 44. Calm wind.

80% chance of thunderstorms Thursday Thursday... Rain, with thunderstorms also possible after 4pm. High near 68. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

80% chance of thunderstorms Thursday Night Thursday Night... Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms between 1am and 4am, then a chance of rain after 4am. Low around 55. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 64.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 34.

Sunny on Saturday Saturday... Sunny, with a high near 60.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 40.

Sunny on Sunday Sunday... Sunny, with a high near 66.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 41.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 60.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 38.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 60.

Current Radar Image


Sun Almanac for Harper Crossroads, South Carolina
Sunrise: 07:16 AM
Sunset: 5:13 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:40 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 6:11 PM
Astro Sunrise: 05:48 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.