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

74°F

23°C

Humidity 85%
Wind Speed NE 14 mph
Barometer 30.04 in (1016.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 4 Aug 4:53 pm EDT
Extended Forecast for

3 Miles NNE Simpsonville SC

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 83. East northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 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
Scattered showers and thunderstorms. Partly sunny, with a high near 83. East northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Saturday
A 30 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
Mostly sunny, with a high near 89.
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
Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Simpsonville SC
 34.78°N 82.24°W (Elev. 850 ft)
Last Update:
2:23 pm EDT Aug 4, 2026
Forecast Valid:
5pm EDT Aug 4, 2026-6pm EDT Aug 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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