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.

Overcast

45°F

7°C

Humidity 66%
Wind Speed NE 7 mph
Barometer 30.21 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 1 Dec 9:15 pm EST
Extended Forecast for

Marion SC

  • Tonight

    Tonight: Rain, mainly after 3am. The rain could be heavy at times. Low around 42. Northeast wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Tuesday

    Tuesday: Rain, mainly before 1pm. The rain could be heavy at times. High near 50. West wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Heavy Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 3 to 6 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 52. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Cloudy, with a low around 37.

    Low: 37 °F

    Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after 3am. The rain could be heavy at times. Low around 42. Northeast wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain, mainly before 1pm. The rain could be heavy at times. High near 50. West wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 52. Northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 30. Calm wind.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Cloudy, with a low around 37.
Friday
Rain likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 60%.
Friday Night
Rain. Low around 40. Chance of precipitation is 80%.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion SC
 34.17°N 79.38°W (Elev. 75 ft)
Last Update:
5:02 pm EST Dec 1, 2025
Forecast Valid:
9pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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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