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.

Fair

88°F

31°C

Humidity 27%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Oct 3:55 pm EDT
Extended Forecast for

Marion SC

  • Tonight

    Tonight: Clear, with a low around 63. Light southwest wind.

    Low: 63 °F

    Clear

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 87. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly between 7am and 2pm. Partly sunny, with a high near 65. North wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Northeast wind around 11 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 63. Light southwest wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 87. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 59. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of showers, mainly between 7am and 2pm. Partly sunny, with a high near 65. North wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 44. Northeast wind around 11 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 74.
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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:
3:02 pm EDT Oct 15, 2026
Forecast Valid:
4pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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