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 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 2 Aug 9:35 pm EDT
Extended Forecast for

Johnsonville SC

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Northeast wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Northeast wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light northeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83. Northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 82. Northeast wind 7 to 9 mph, with gusts as high as 17 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light northeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83. Northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnsonville SC
 33.81°N 79.46°W (Elev. 89 ft)
Last Update:
7:44 pm EDT Aug 2, 2025
Forecast Valid:
9pm EDT Aug 2, 2025-6pm EDT Aug 9, 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