South Carolina’s Upstate is warming quickly under bright sun, and that calm, cool start is already fading into a stretch of building heat that will peak by midweek. Pavement is dry and skies are clear, but temperatures are climbing fast.
According to the National Weather Service in Greenville-Spartanburg, highs reach 84°F today with light winds becoming southwest near 6 mph. Travel across Spartanburg County and along I-85 remains smooth, with no rain or visibility issues expected.
Tonight stays clear and mild, with lows near 57°F. By Monday, temperatures settle in the low 80s again, with light winds and continued sunshine. It’s a stable setup for commuters, though the warming trend becomes more noticeable by afternoon.
Tuesday brings a stronger push of heat, with highs near 86°F and light southwest winds. Dry air and full sun will make it feel warmer, especially during peak afternoon hours. Keep water nearby if working or traveling outside.
By Wednesday, temperatures reach 90°F, marking the hottest stretch so far this season. The heat holds into Thursday and Friday, with highs staying near 90°F and skies mostly sunny.
No storms or rain are expected through midweek, but increasing heat and sun exposure will be the primary concern. Take breaks in shaded areas and avoid extended time outdoors during peak heat.
Looking ahead, above-normal temperatures continue into late week, reinforcing a steady move toward summer conditions across the Upstate. Spending time outside this week? How hot does it feel in your area?
Five Day Forecast for Spartanburg, SC
Monday: High 82°F, mostly sunny
Tuesday: High 86°F, sunny
Wednesday: High 90°F, mostly sunny
Thursday: High 90°F, mostly sunny
Friday: High 90°F, sunny
