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Chattanooga Visitors BureauChattanooga, TN 7-Day Night Weather Forecast
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Chattanooga, TN Weather Forecast
Chattanooga, TN Weather Forecast Date: 228 AM EDT Sat Sep 12 2026
The area/counties/county of: Hamilton, including the cities of: Chattanooga, Lookout Mountain, and Signal Mountain.or toggle through each period.
Rest of Tonight... Mostly cloudy. A slight chance of showers late. Near steady temperature in the lower 70s. Light winds. Chance of rain 20%.
Saturday... Mostly sunny. Showers likely with a chance of thunderstorms. Humid with highs in the mid to upper 80s. Light winds. Chance of rain 70%.
Saturday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s to lower 70s. Light winds. Chance of rain 20%.
Sunday... Mostly sunny. Highs in the upper 80s to lower 90s. Light winds.
Sunday Night... Mostly clear. Lows in the mid to upper 60s. Light winds.
Monday... Sunny. Highs in the lower 90s.
Monday Night... Mostly clear. Lows in the upper 60s.
Tuesday... Sunny. Highs in the lower 90s.
Tuesday Night... Mostly clear. Lows in the upper 60s.
Wednesday... Sunny. Highs in the lower 90s.
Wednesday Night... Mostly clear. Lows in the upper 60s.
Thursday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 90s. Chance of rain 20%.
Thursday Night... Mostly clear. Lows in the upper 60s.
POP = Probability of Precipitation
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