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

41°F

5°C

Humidity 45%
Wind Speed NW 9 G 17 mph
Barometer 29.96 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Feb 9:15 pm EST
Extended Forecast for

Johnsonville SC

  • Tonight

    Tonight: Clear, with a low around 28. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 47. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Northwest wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Southwest wind 3 to 7 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 16 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 28. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 47. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 25. Northwest wind 5 to 7 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 50. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 16 mph.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly cloudy, with a high near 70.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Friday
A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A chance of rain. Partly sunny, with a high near 70. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnsonville SC
 33.81°N 79.43°W (Elev. 79 ft)
Last Update:
6:34 pm EST Feb 22, 2026
Forecast Valid:
9pm EST Feb 22, 2026-6pm EST Mar 1, 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