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

57°F

14°C

Humidity 88%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 1 Oct 7:35 am EDT
Extended Forecast for

Marion SC

  • Today

    Today: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 90. Calm wind.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 65. Light and variable wind.

    Low: 65 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind.

    High: 91 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. South wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 90. Calm wind.
Tonight
Increasing clouds, with a low around 65. Light and variable wind.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind.
Friday Night
Mostly clear, with a low around 69. South wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 63. Chance of precipitation is 80%.
Monday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 71.
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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:
6:14 am EDT Oct 1, 2026
Forecast Valid:
7am EDT Oct 1, 2026-6pm EDT Oct 7, 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