National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion County Airport (KMAO)

Lat: 34.18°NLon: 79.34°WElev: 92ft.

Mostly Cloudy

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 26 May 9:35 pm EDT
Extended Forecast for

6 Miles NW Johnsonville SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. West wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Friday

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

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: 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

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. West wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Johnsonville SC
 33.88°N 79.5°W (Elev. 59 ft)
Last Update:
6:09 pm EDT May 26, 2026
Forecast Valid:
9pm EDT May 26, 2026-6pm EDT Jun 2, 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