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.

Partly Cloudy

86°F

30°C

Humidity 63%
Wind Speed S 8 mph
Barometer 30.20 in (1021.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 6 Aug 2:53 pm EDT
Extended Forecast for

Fountain Inn SC

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a chance of showers after 5am. Partly cloudy, with a low around 69. 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: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 2am, then a chance of showers after 5am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fountain Inn SC
 34.68°N 82.2°W (Elev. 850 ft)
Last Update:
2:24 pm EDT Aug 6, 2026
Forecast Valid:
3pm EDT Aug 6, 2026-6pm EDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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