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

72°F

22°C

Humidity 22%
Wind Speed W 7 mph
Barometer 30.17 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 6:15 pm EDT
Extended Forecast for

Marion SC

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind around 6 mph becoming calm.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Northeast wind 5 to 8 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Light south wind.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. Southwest wind around 6 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West wind around 6 mph becoming calm.
Tuesday
Sunny, with a high near 71. Northeast wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 47. Light south wind.
Wednesday
Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Clear, with a low around 55. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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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:
6:00 pm EDT Apr 20, 2026
Forecast Valid:
6pm EDT Apr 20, 2026-6pm EDT Apr 27, 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