Weather WorldKnox County, TN 7-Day Night Weather Forecast
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Knox County, TN Weather Forecast
Knox County, TN Weather Forecast Date: 227 AM EDT Mon Aug 31 2026
The area/counties/county of: Knox, including the cities of: Bearden, Knoxville, and Lake Forest.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the lower 70s. Light winds.
Monday... Sunny. Highs in the lower 90s. Light winds.
Monday Night... Mostly clear. Lows in the lower 70s. Light winds.
Tuesday... Sunny. Highs in the mid 90s. Light winds.
Tuesday Night... Mostly clear. Lows in the lower 70s. Light winds.
Wednesday... Sunny. Highs in the mid 90s. Heat index values around 105.
Wednesday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
Thursday... Sunny. Highs in the mid 90s. Heat index values around 105.
Thursday Night... Mostly clear. Lows in the lower 70s.
Friday... Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40%.
Friday Night... Partly cloudy. Lows in the lower 70s.
Saturday... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20%.
Saturday Night... Partly cloudy. Lows in the upper 60s.
POP = Probability of Precipitation
Knox County Radar Loop
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