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

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 May 2:15 am EDT
Extended Forecast for

Marion SC

  • Overnight

    Overnight: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 63. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Sunday
Mostly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 65. South wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 90.
Monday Night
Clear, with a low around 63.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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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:
9:38 pm EDT May 15, 2026
Forecast Valid:
2am EDT May 16, 2026-6pm EDT May 22, 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