Todays weather in Knoxville TN - Saturday - 16 May 2026

Friday is delivering the cleanest weather day Knoxville will see all week, and it's worth making the most of it. A high of 79°F under mostly sunny skies, light south-southeast winds at 5–10 mph, and a comfortable overnight low of 56°F make this an ideal day from commute to bedtime. No severe weather alerts, no watches, no warnings — just straightforward, enjoyable late-spring weather.For the morning drive, roads are dry and skies are clear in both directions. No delays, no weather complications. Dress in light layers you can shed before noon, grab your sunglasses, and consider eating lunch outside — conditions don't get much better than this for mid-May in East Tennessee.The weekend is where the forecast shifts. Saturday climbs to 84°F with increasing cloud cover and noticeably heavier humidity by afternoon. It's not a bad day, but it's a warmer, stickier one — earlier outdoor plans will be more comfortable than later ones.Behind Saturday, an active and organized weather pattern is building. Atmospheric moisture is loading in significantly, setting up multiple rounds of rain chances heading into next week. This isn't a brief shower — forecasters are tracking several waves of energy pushing through with plenty of moisture in place. Exact timing and rainfall totals are still sharpening, but the direction is clear: today is comfortable, Saturday is transitional, and next week turns wet.Watch the forecast as the weekend develops. For now, 79 degrees and sunshine are waiting. Don't waste it.This episode includes AI-generated content.