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.

Partly Cloudy

73°F

23°C

Humidity 89%
Wind Speed W 5 mph
Barometer 29.76 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 May 7:55 pm EDT
Extended Forecast for

Marion SC

  • Tonight

    Tonight: A chance of showers before midnight. Mostly cloudy, with a low around 54. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. North wind around 6 mph becoming calm in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers before midnight. Mostly cloudy, with a low around 54. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 74. North wind around 6 mph becoming calm in the afternoon.
Friday Night
Mostly cloudy, with a low around 57. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion SC
 34.17°N 79.41°W (Elev. 52 ft)
Last Update:
6:57 pm EDT May 7, 2026
Forecast Valid:
8pm EDT May 7, 2026-6pm EDT May 14, 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