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

29°C

84°F

Humidity 51%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 18°C (64°F)
Visibility 16 km
Heat Index29°C (85°F)
Last update 10 Sep 12:35 pm EDT
Extended Forecast for

4 Miles E Marion SC

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 33. Heat index values as high as 39. South wind 3 to 8 km/h. Chance of precipitation is 20%.

    High: 33 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Southwest wind 3 to 8 km/h.

    Low: 23 °C

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 33. Heat index values as high as 40. Calm wind. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 32. Calm wind becoming south 5 to 8 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 32 °C

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 22. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 22 °C

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 60%.

    High: 32 °C

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 32.

    High: 32 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 33. Heat index values as high as 39. South wind 3 to 8 km/h. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 23. Southwest wind 3 to 8 km/h.
Friday
A chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 33. Heat index values as high as 40. Calm wind. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 32. Calm wind becoming south 5 to 8 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 22. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marion SC
 34.19°N 79.33°W (Elev. 92 m)
Last Update:
8:06 am EDT Sep 10, 2026
Forecast Valid:
12pm EDT Sep 10, 2026-6pm EDT Sep 16, 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