- The first day of fall in 2026 is Tuesday, September 22, but temperatures will remain summer-like.
- A cold front is expected to bring cooler, fall-like temperatures in the 70s by the middle of the week.
- Some severe thunderstorms with damaging winds are possible in Upstate South Carolina early in the week.
Summer is at its end, and now it is time for fall. But it will be a couple more days before the temperatures in Upstate South Carolina feel like sweater weather.
The National Weather Service predicts the first day of fall will have more summer-like temperatures in the Greenville area, as temperatures remain in the high 80s. But a cold front moving into the region is expected to push temperatures farther down and into the 70s.
And the fall-like weather should be sticking around through the weekend…