The 10-day span for Summerville runs from a high near 40° on Friday down to 21° overnight on Tuesday. Roughly 0.77 in of rain falls over the period, with Saturday the most likely wet day (76%). Wind is the one to watch: gusts to 25 mph around Monday. The NWS alert board for this area is currently clear. Right now Summerville is running about 57° warmer than 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