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.

Fair

74°F

23°C

Humidity 76%
Wind Speed W 7 mph
Barometer 30.19 in (1021.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 May 8:53 am EDT
Extended Forecast for

Mauldin SC

  • Today

    Today: Sunny, with a high near 91. South southwest wind 5 to 8 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southwest wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 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: 89 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Low around 64. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms then
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. East northeast wind around 8 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
Sunny, with a high near 91. South southwest wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 68. South southwest wind around 6 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 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.
Thursday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Low around 64. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. East northeast wind around 8 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Chance of precipitation is 80%.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. Chance of precipitation is 80%.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mauldin SC
 34.78°N 82.3°W (Elev. 896 ft)
Last Update:
2:24 am EDT May 20, 2026
Forecast Valid:
9am EDT May 20, 2026-6pm EDT May 26, 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