Knoxville/ Weather & Environment

Chill Now, Sizzle Later: Knoxville Gets Crisp Sunny Weekend Before Heat Roars Back

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Published on September 25, 2026
Chill Now, Sizzle Later: Knoxville Gets Crisp Sunny Weekend Before Heat Roars BackKnoxville City Hall Plaza — Landmark Weather Coverage Backdrop
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Knoxville is waking up to clear skies and temperatures around 59 degrees Friday, with a sunny afternoon ahead and a high near 77. After a soggy end to the week, the forecast takes a noticeably calmer turn, with no rain expected today or through the weekend.

Sunny Weekend Comes With Crisp Nights

Friday night should stay mostly clear, with temperatures dipping to around 50 and a light northeast breeze. Saturday and Sunday will remain mostly sunny, with highs near 76 and overnight lows around 49, making for comfortable afternoons and jacket-worthy mornings.

The National Weather Service expects winds to remain light through the weekend, generally no more than 5 mph. With zero precipitation chances in the near-term forecast, outdoor plans across Knoxville should get a rare weather free pass.

Temperatures Climb Early Next Week

Monday stays sunny with a high near 78, followed by a warmer Tuesday near 82. The heat builds further Wednesday, when Knoxville could reach 87 under mostly sunny skies.

A slight chance of showers returns Wednesday night and continues Thursday, but the rain odds remain low at about 20%. The updated outlook is a cleaner break from the rain chances covered in Hoodline's Thursday forecast, with the weekend now looking firmly dry and sunny.