National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion County Airport (KMAO)

Lat: 34.18°NLon: 79.34°WElev: 92ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 21 Jun 2:35 am EDT
Extended Forecast for

Marion SC

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 92. Heat index values as high as 101. Light and variable wind.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 92. Heat index values as high as 101. Light and variable wind.
Sunday Night
Clear, with a low around 71. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 95.
Monday Night
Clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 75.
Friday
Mostly sunny and hot, with a high near 97.
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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:
2:44 am EDT Jun 21, 2025
Forecast Valid:
3am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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