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

70°F

21°C

Humidity 83%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Jun 2:55 am EDT
Extended Forecast for

Marion SC

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Light southeast wind.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. South wind 5 to 7 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 88. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. Light southeast wind.
Thursday
Mostly sunny, with a high near 92. Light southeast wind.
Thursday Night
Mostly clear, with a low around 71. South wind 5 to 7 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 93.
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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:
3:00 am EDT Jun 24, 2026
Forecast Valid:
3am EDT Jun 24, 2026-6pm EDT Jun 30, 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