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

28°F

-2°C

Humidity 86%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 28 Nov 9:55 pm EST
Extended Forecast for

Johnsonville SC

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Calm wind becoming northeast around 6 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 40. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers likely after 1am. Cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Calm wind.
Saturday
Mostly sunny, with a high near 50. Calm wind becoming northeast around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 32. Calm wind.
Sunday
Mostly sunny, with a high near 66. Light and variable wind.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 40. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Showers likely after 1am. Cloudy, with a low around 41. Chance of precipitation is 60%.
Tuesday
Showers. High near 60. Chance of precipitation is 90%.
Tuesday Night
A chance of showers before 1am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnsonville SC
 33.81°N 79.46°W (Elev. 89 ft)
Last Update:
5:00 pm EST Nov 28, 2025
Forecast Valid:
10pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
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