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

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Thunderstorm in Vicinity

82°F

28°C

Humidity 82%
Wind Speed E 12 mph
Barometer 30.05 in (1016.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Aug 12:53 pm EDT
Extended Forecast for

Gantt SC

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely, mainly between 4pm and 5pm. High near 84. Northeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 69. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 5pm. Patchy fog between 7am and 8am. High near 84. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 69. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely, mainly between 4pm and 5pm. High near 84. Northeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 69. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms, mainly before 5pm. Patchy fog between 7am and 8am. High near 84. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 69. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Gantt SC
 34.81°N 82.41°W (Elev. 899 ft)
Last Update:
6:24 am EDT Aug 4, 2026
Forecast Valid:
1pm EDT Aug 4, 2026-6pm EDT Aug 10, 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