NWS Forecast for Rock Hill SC

National Weather Service Forecast for: Rock Hill SC
Issued by: National Weather Service Greenville-Spartanburg, SC

Updated: 6:08 am EDT Jun 23, 2025

Today Hot	Tonight Clear	Tuesday Hot	Tuesday Night Slight Chance T-storms then Partly Cloudy	Wednesday Sunny then Slight Chance T-storms	Wednesday Night Chance T-storms	Thursday Sunny then Chance T-storms	Thursday Night Chance T-storms then Partly Cloudy	Friday Mostly Sunny then Chance T-storms
Hi 98 °F	Lo 74 °F	Hi 99 °F	Lo 75 °F	Hi 96 °F	Lo 72 °F	Hi 92 °F	Lo 71 °F	Hi 91 °F

Hazardous Weather Outlook

Today	Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind.
Tonight	Clear, with a low around 74. Calm wind.
Tuesday	Sunny and hot, with a high near 99. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night	A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 75. Calm wind.
Wednesday	A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 96. Light and variable wind.
Wednesday Night	A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday	A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92.
Thursday Night	A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 71.
Friday	A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91.
Friday Night	A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Saturday	A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night	A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday	A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.

Forecast from NOAA-NWS for Rock Hill SC.