The 10-day span for Summerville runs from a high near 101° on Wednesday down to 71° overnight on Saturday. Roughly 0.75 in of rain falls over the period, with Tuesday the most likely wet day (85%). Wind is the one to watch: gusts to 30 mph around Wednesday. The NWS alert board for this area is currently clear. Right now Summerville is about 27° cooler than nearby Savannah. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Summerville, SC · Elev 89 ft · 33.02°N, 80.18°W · South Carolina · Forecast computed for these exact coordinates