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Signal Mountain, TN Weather Forecast
Signal Mountain, TN Weather Forecast Date: 706 PM EDT Thu Aug 06 2026
The area/counties/county of: Hamilton, including the cities of: Chattanooga, Lookout Mountain, and Signal Mountain.or toggle through each period.
Tonight... Mostly cloudy. Lows in the upper 60s to lower 70s. Light winds.
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid to upper 80s. Light winds. Chance of rain 50%.
Friday Night... Partly cloudy. A chance of showers late. Lows around 70. Light winds. Chance of rain 40%.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid to upper 80s. Light winds. Chance of rain 70%.
Saturday Night... Partly cloudy. Lows in the upper 60s to lower 70s. Light winds.
Sunday... Mostly sunny. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s to lower 90s. Chance of rain 20%.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the lower 70s.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s to lower 90s. Chance of rain 20%.
Monday Night... Partly cloudy in the evening, then clearing. Lows in the lower 70s.
Tuesday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s to lower 90s. Chance of rain 50%.
Tuesday Night... Partly cloudy. Lows in the lower 70s.
Wednesday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s to lower 90s. Chance of rain 50%.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 40%.
POP = Probability of Precipitation
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