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Knoxville, TN Weather Tomorrow

Tomorrow's forecast for Knoxville includes an extended 5 day weather outlook with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Knoxville area and around Knox county, Tennessee.
Updated: Sat Sep 26th 2026 5:15 AM EDT
Knoxville, TN Weather – 9-26 – Sunny
75° / 54°
Sunny
In Knoxville, bright and sunny conditions with highs near 75°F and lows around 54°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 6mph and gusts of 13.1mph at 8 PM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 64% at 6 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 30.11inHg at 9 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.04inHg.
Knoxville, TN Weather – 9-27 – Overcast
73° / 53°

Weather Tomorrow

Overcast
In Knoxville, skies will be overcast with highs near 73°F and lows around 53°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 7mph and gusts of 12.8mph at 1 AM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 68% at 7 AM and 30% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 8 AM, a lowest point of 29.9inHg at 5 PM with an avg 29.98inHg.
Knoxville, TN Weather – 9-28 – Sunny
75° / 55°
Sunny
In Knoxville, bright and sunny conditions with highs near 75°F and lows around 55°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 6mph and gusts of 11.7mph at 8 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 74% at 7 AM and 39% being its lowest at 2 PM. Barometric pressure is its highest of 30inHg at 11 AM, a lowest point of 29.91inHg at 5 PM with an avg 29.96inHg.
Knoxville, TN Weather – 9-29 – Sunny
80° / 59°
Sunny
Highs will reach 80°F with lows near 59°F in Knoxville, where sunshine is. There's a very small chance of rainfall, only about 3%. Winds will be light at 6mph and gusts of 14.3mph at 6 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 85% at 7 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 11 AM, a lowest point of 29.91inHg at 5 PM with an avg 29.97inHg.
Knoxville, TN Weather – 9-30 – Sunny
81° / 61°
Sunny
Daytime highs will reach 81°F with lows dropping to 61°F in Knoxville, where bright and sunny conditions. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 11.9mph at 1 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 82% at 8 AM and 32% being its lowest at 2 PM. Barometric pressure is its highest of 30.05inHg at 11 AM, a lowest point of 29.95inHg at 5 PM with an avg 30inHg.
Knoxville, TN Weather – 10-1 – Sunny
87° / 64°
Sunny
Knoxville could see sunshine with daytime highs of 87°F and nighttime lows near 64°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 6mph and gusts of 13.9mph at 8 AM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 70% at 8 AM and 30% being its lowest at 5 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 29.98inHg at 5 PM with an avg 30.05inHg.

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