Columbia, South Carolina – Expect a sweltering start to the workweek in Columbia as temperatures climb near 90°F Monday before storms roll in Tuesday. With humidity rising and a high-pressure system pushing warm air across South Carolina, conditions could feel more like early summer than spring.
According to the National Weather Service, Monday (May 19) will bring mostly sunny skies with highs around 90°F and calm winds, making it one of the warmest days this month. By Tuesday, moisture returns, with a 30% chance of afternoon showers and thunderstorms after 2 p.m. as temperatures peak at 93°F. Residents are urged to stay hydrated, limit outdoor work during peak heat, and prepare for sudden downpours during the evening commute—especially along I-26 and I-77 corridors.
The chance of showers continues into Tuesday night with lingering storms after 2 a.m., followed by a 40% chance of rain on Wednesday. Wednesday’s high drops slightly to 90°F with continued humidity and partly cloudy skies. By Thursday, drier and cooler air moves in, offering a refreshing break.
Here’s Columbia’s extended five-day spring forecast:
- Monday: Mostly sunny, high near 90°F
- Tuesday: Showers/storms after 2 p.m., high near 93°F
- Wednesday: Showers possible, high near 90°F
- Thursday: Sunny, high near 82°F
- Friday: Clear and cooler, high near 78°F
