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

88°F

31°C

Humidity 59%
Wind Speed S 3 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 13 Sep 4:55 pm EDT
Extended Forecast for

Johnsonville SC

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light southwest wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 100. Calm wind becoming north around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Calm wind becoming east around 6 mph in the evening. Winds could gust as high as 17 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Light southwest wind.
Monday
Sunny, with a high near 94. Heat index values as high as 100. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. Calm wind becoming east around 6 mph in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 86. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 68.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. 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:
3:02 pm EDT Sep 13, 2026
Forecast Valid:
5pm EDT Sep 13, 2026-6pm EDT Sep 20, 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