Knoxville

Knoxville Set To Sizzle As Weekend Temps Rocket Into 80s

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Published on April 08, 2026
Knoxville Set To Sizzle As Weekend Temps Rocket Into 80sSource: Google Street View

Knoxville started Wednesday crisp and cool, with clear skies and temperatures in the low 40s. By this afternoon, look for mostly sunny skies and a warm-up to around 72, with barely a breeze to speak of. It is about as easy a day as you will get for running errands or sneaking in a lunchtime walk.

Forecast Details

The National Weather Service in Morristown reports that strong high pressure will keep things dry and help temperatures climb through the week, with relative humidity dropping into the 20s in some areas. No rain is expected through Monday, and winds should stay light most days. Forecasters also highlight a steady warming trend into the weekend, according to the National Weather Service in Morristown.

Weekend Warmth

By Friday, highs are set to jump to around 77°F, then climb to roughly 81°F on Saturday, and could top out near 86°F on Sunday for many inland neighborhoods. That kind of jump would make Sunday one of the warmest days of the year so far. The office's forecast continues to back this multi-day warm-up into early next week, per the National Weather Service Morristown.

Plan Ahead

With strong sun and low humidity, UV levels will run high, so bring sunscreen and water for any outdoor plans, and think about shifting tougher activities to the morning or evening hours. If you have weekend events on the calendar, keep an eye on forecasts for Tuesday night, April 14, when a chance of showers returns to the region.

Bottom line: expect sunny and dry weather through Monday, followed by a return to possible showers by Tuesday night. Check the National Weather Service for updates if you have outdoor events lined up.