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Harrison, TN Weather Forecast
Harrison, TN Weather Forecast Date: 228 AM EDT Wed Oct 28 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. Near steady temperature in the lower 50s. Light winds.
Wednesday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Light winds.
Wednesday Night... Mostly clear. Lows in the upper 40s to lower 50s. Light winds.
Thursday... Sunny. Highs in the lower to mid 70s. Light winds.
Thursday Night... Mostly clear. Lows in the upper 40s to lower 50s. Light winds.
Friday... Mostly sunny. Highs in the mid to upper 70s.
Friday Night... Mostly cloudy. Lows in the mid to upper 50s.
Saturday... Mostly cloudy. A slight chance of showers in the afternoon. Highs in the lower to mid 70s. Chance of rain 20%.
Saturday Night... Cloudy. A chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 50%.
Sunday... Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. Highs in the lower to mid 60s. Chance of rain 80%.
Sunday Night... Cloudy. A chance of showers, mainly in the evening. Lows in the upper 50s. Chance of rain 50%.
Monday... Mostly cloudy. A chance of showers, mainly in the morning. Highs in the upper 60s to lower 70s. Chance of rain 30%.
Monday Night... Mostly cloudy with a slight chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 30%.
POP = Probability of Precipitation
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