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

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 15 Aug 2:15 am EDT
Extended Forecast for

5 Miles WNW Gresham SC

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 74. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 70.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Gresham SC
 33.97°N 79.49°W (Elev. 30 ft)
Last Update:
2:04 am EDT Aug 15, 2025
Forecast Valid:
2am EDT Aug 15, 2025-6pm EDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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