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.

Fog/Mist

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 55°F (13°C)
Visibility 2.50 mi
Last update 1 Oct 5:55 am EDT
Extended Forecast for

Johnsonville SC

  • Today

    Today: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 88. Calm wind.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind.

    High: 91 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 88. Calm wind.
Tonight
Partly cloudy, with a low around 64. Light and variable wind.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind.
Friday Night
Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Chance of precipitation is 80%.
Monday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnsonville SC
 33.81°N 79.46°W (Elev. 89 ft)
Last Update:
6:02 am EDT Oct 1, 2026
Forecast Valid:
6am EDT Oct 1, 2026-6pm EDT Oct 7, 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