Todays weather in Knoxville TN - Sunday - 31 May 2026

Knoxville wakes up to warm sunshine and 82 degrees today, but the afternoon tells a different story. Clouds build through midday, and showers and thunderstorms become a real possibility after 3 PM — with a 35% precipitation chance for the day. Wind is virtually calm at northwest 0–5 mph, so the air will feel warm and heavy heading into the afternoon hours.This daily Knoxville weather briefing gives you the practical read you actually need. Morning and midday look clear and comfortable, making it a good window for outdoor activity. But if your errands or commute fall in the late afternoon, keep an eye on the sky. East Tennessee summer storms can develop fast and without much warning — a light jacket or umbrella tucked in the bag is the smart move.Overnight, the storm chance rises to 40% with a low near 64°. If you have windows open, check the radar before bed.Looking ahead: Monday carries the biggest storm risk of the stretch at 57%, with the most active window in mid to late afternoon. Outdoor plans on Monday need some flexibility built in. Then Tuesday brings a full reset — sunny skies, a high near 79°, and a genuinely pleasant run of weather through Friday, which tops out around 84°.Under three minutes, no fluff — just the forecast for Knoxville, TN, so you can get out the door ready for whatever the day brings.This episode includes AI-generated content.