


NWS Forecast for: Dayton TN Issued by: National Weather Service Morristown, TN Last Update: 2:05 am EDT Jul 15, 2025 | ![]() |
Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind. Tonight: A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 73. Calm wind. Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Calm wind. Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 92. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%. Friday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%. Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 70%. Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%. Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Monday: Showers and thunderstorms likely. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%. | |
Dayton TN 35.49°N 85.01°W (Elev. 699 ft) | |
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