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

86°F

30°C

Humidity 59%
Wind Speed W 8 mph
Barometer 29.86 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 19 Jun 7:15 pm EDT
Extended Forecast for

Marion SC

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 68. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight. Increasing clouds, with a low around 68. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 89. Northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 6 mph.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marion SC
 34.17°N 79.41°W (Elev. 52 ft)
Last Update:
7:04 pm EDT Jun 19, 2026
Forecast Valid:
7pm EDT Jun 19, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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