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

73°F

23°C

Humidity 50%
Wind Speed NE 9 mph
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 7 Oct 12:35 pm EDT
Extended Forecast for

Johnsonville SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Northeast wind 3 to 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 80. East wind 3 to 5 mph.

    High: 80 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, then showers and possibly a thunderstorm after 8pm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 90%.

    High: 80 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Northeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 52. Calm wind.
Thursday
Partly sunny, with a high near 83. Calm wind.
Thursday Night
Mostly cloudy, with a low around 58. Calm wind.
Friday
Mostly cloudy, with a high near 80. East wind 3 to 5 mph.
Friday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
Saturday
Showers likely, mainly after 2pm. Cloudy, with a high near 77. Chance of precipitation is 60%.
Saturday Night
Showers likely, then showers and possibly a thunderstorm after 8pm. Low around 66. Chance of precipitation is 80%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Columbus Day
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnsonville SC
 33.83°N 79.46°W (Elev. 26 ft)
Last Update:
10:09 am EDT Oct 7, 2026
Forecast Valid:
12pm EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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