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

78°F

26°C

Humidity 76%
Wind Speed W 3 mph
Barometer 30.05 in (1016.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 May 4:53 pm EDT
Extended Forecast for

Gantt SC

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 80. South southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then scattered showers. Patchy fog after 8pm. Low around 66. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. West southwest wind 6 to 8 mph.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 84. West wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 84 °F

    Sunny then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 80. South southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then scattered showers. Patchy fog after 8pm. Low around 66. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. West southwest wind 6 to 8 mph.
Thursday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 84. West wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Gantt SC
 34.79°N 82.41°W (Elev. 919 ft)
Last Update:
2:23 pm EDT May 26, 2026
Forecast Valid:
5pm EDT May 26, 2026-6pm EDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation