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

66°F

19°C

Humidity 37%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 3 May 6:55 pm EDT
Extended Forecast for

Johnsonville SC

  • Tonight

    Tonight: Clear, with a low around 46. Calm wind.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. South wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. South wind 3 to 7 mph. Winds could gust as high as 16 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 46. Calm wind.
Monday
Sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 51. South wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 58. South wind 3 to 7 mph. Winds could gust as high as 16 mph.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
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
 33.81°N 79.46°W (Elev. 89 ft)
Last Update:
6:01 pm EDT May 3, 2026
Forecast Valid:
7pm EDT May 3, 2026-6pm EDT May 10, 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