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 52%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 11 Aug 7:55 pm EDT
Extended Forecast for

4 Miles E Marion SC

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 10pm and 11pm. Partly cloudy, with a low around 75. Light west wind. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming west around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Light southwest wind.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Light south wind.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly between 10pm and 11pm. Partly cloudy, with a low around 75. Light west wind. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. Light southwest wind.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 78. Light south wind.
Friday
Mostly sunny and hot, with a high near 99.
Friday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 96.
Monday Night
A chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marion SC
 34.19°N 79.33°W (Elev. 92 ft)
Last Update:
8:04 pm EDT Aug 11, 2026
Forecast Valid:
8pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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