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Todays weather in Knoxville TN - Wednesday - 13 May 2026
Audio is available on Spreaker — see link below.
Knoxville is hitting near-90 degrees this weekend — the warmest spring stretch of 2026 — with sunshine, light winds, and zero rain risk Friday through Sunday. Get the full forecast breakdown including a Wednesday storm heads-up and what to pack for that 35-degree day-to-night temperature swing.
Audio is available on Spreaker — see link below.
Knoxville is about to hit its warmest stretch of spring so far, and the timing matters if you're planning to be outside this weekend. Highs are tracking into the upper eighties, with near ninety degrees possible Saturday and Sunday.
Let's get practical, because that's where the forecast actually serves you. For daytime this weekend, think lightweight.
Before we get to the warm weekend, Wednesday needs a mention. There's a stray shower or thunderstorm possible mid-week.
The warmth this weekend isn't random. It's the product of a ridge system that's been building steadily across the Southeast, and the Valley position of Knoxville tends to amplify that warmth.
The warm spell doesn't hold indefinitely. Rain is expected to return early next week as the pattern shifts and the ridge retreats.
Keep it simple going into the weekend: light clothes for the day, a layer for the evening, and sunscreen if you're spending real time outdoors. Wednesday gets a brief asterisk, but the forecast is otherwise clean from here through Sunday.
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