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

82°F

28°C

Humidity 45%
Wind Speed SW 6 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Mar 12:55 pm EDT
Extended Forecast for

Marion SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. Southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 64 °F

    Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 87. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 17 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 64. Southwest wind around 8 mph, with gusts as high as 18 mph.
Monday
A slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 87. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 17 mph.
Tuesday
Partly sunny, with a high near 62. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 85.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 59.
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:
8:43 am EDT Mar 22, 2026
Forecast Valid:
1pm EDT Mar 22, 2026-6pm EDT Mar 28, 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