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Rhea County, TN Weather Forecast
Rhea County, TN Weather Forecast Date: 106 AM EDT Thu Sep 03 2026
The area/counties/county of: Rhea, including the cities of: Dayton, Evensville, Old Washington, Grandview, and Spring City.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the lower 70s. Light winds.
Thursday... Sunny. Highs in the mid to upper 90s. Light winds. Heat index values around 109.
Thursday Night... Mostly clear. Lows in the lower 70s. Light winds.
Friday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid to upper 90s. Light winds. Chance of rain 20%. Heat index values around 109.
Friday Night... Mostly clear. Lows in the lower 70s. Light winds.
Saturday... Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 90s. Chance of rain 40%. Heat index values around 109.
Saturday Night... Partly cloudy. Lows in the lower 70s.
Sunday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 90s. Chance of rain 20%.
Sunday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20%.
Labor Day... 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. Lows in the upper 60s.
Tuesday... Mostly sunny. Highs in the upper 80s to lower 90s.
Tuesday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s.
POP = Probability of Precipitation
Rhea County Radar Loop
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