Spartanburg, S.C. – Drivers and residents across Upstate South Carolina should brace for a brief but potentially disruptive storm window Thursday afternoon before summer-like heat dominates the weekend. A mix of sunshine and rising temperatures will return by Friday, with highs pushing into the upper 80s and low 90s.
According to the National Weather Service, a 20 percent chance of thunderstorms develops after 2 p.m. Thursday, September 3. Winds could gust as high as 18 mph, and isolated downpours may affect travel along I-85 near Spartanburg during the evening commute. Officials urge caution on slick roads and recommend avoiding outdoor activities during peak storm hours.
Wednesday, September 3, stays mostly sunny with highs near 81, offering calm conditions before the unsettled stretch. Thursday’s brief storm chance clears quickly, leaving behind mostly clear skies overnight. By Friday, temperatures climb to near 89 degrees under full sun, creating classic late-summer football weather across the Upstate. Fans heading to high school games should prepare for warm conditions at kickoff.
The heat lingers through the weekend, with Spartanburg expected to reach 90 degrees Saturday. Sunday cools slightly, topping out near 82, before warmer conditions return Monday.
Residents should plan around Thursday’s storm window, stay hydrated in the weekend heat, and monitor updates for any additional advisories.
Five Day Forecast for Spartanburg, SC
- Wednesday: Mostly sunny, high near 81. Low 61.
- Thursday: Storm chance after 2 p.m., high near 84. Low 64.
- Friday: Sunny, high near 89. Low 67.
- Saturday: Sunny, high near 90. Low 64.
- Sunday: Mostly sunny, high near 82. Low 62.
