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 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Sep 9:10 am EDT
Extended Forecast for

Marion SC

  • Today

    Today: Patchy fog before 10am. Otherwise, sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. East wind around 6 mph becoming light and variable.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Northeast wind around 8 mph, with gusts as high as 16 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Light and variable wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65. East wind around 6 mph becoming light and variable.
Sunday
Sunny, with a high near 86. Northeast wind around 8 mph, with gusts as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 85.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion SC
 34.17°N 79.41°W (Elev. 52 ft)
Last Update:
6:00 am EDT Sep 19, 2025
Forecast Valid:
9am EDT Sep 19, 2025-6pm EDT Sep 25, 2025
 
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