National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Conway Horry County Airport (KHYW)

Lat: 33.83°NLon: 79.12°WElev: 33ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 4 Oct 5:55 pm EDT
Extended Forecast for

Johnsonville SC

  • Tonight

    Tonight: A chance of showers, mainly after 7pm. Cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 10am. Cloudy, with a high near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Calm wind becoming northeast around 5 mph after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind around 10 mph, with gusts as high as 22 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northeast wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 7pm. Cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers, mainly before 10am. Cloudy, with a high near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 57. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind around 10 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 50. Northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly cloudy, with a high near 77.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnsonville SC
 33.81°N 79.43°W (Elev. 79 ft)
Last Update:
6:02 pm EDT Oct 4, 2026
Forecast Valid:
6pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation