


NWS Forecast for: Dayton TN Issued by: National Weather Service Morristown, TN Last Update: 1:42 pm EDT Jul 7, 2025 | ![]() |
This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 33. Heat index values as high as 39. Southwest wind around 10 km/h. Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 22. Calm wind. Tuesday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 33. Heat index values as high as 41. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms. Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 22. Calm wind. Wednesday: A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 33. Calm wind. Chance of precipitation is 80%. Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 22. Calm wind. Chance of precipitation is 80%. Thursday: Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 30. Calm wind. Chance of precipitation is 90%. Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 21. Chance of precipitation is 80%. Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 32. Chance of precipitation is 80%. Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 22. Chance of precipitation is 80%. Saturday: Showers and thunderstorms likely. Partly sunny and hot, with a high near 32. Chance of precipitation is 70%. Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. Sunday: Showers and thunderstorms likely. Partly sunny and hot, with a high near 32. Chance of precipitation is 60%. Sunday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 21. Chance of precipitation is 60%. Monday: Showers and thunderstorms likely. Mostly sunny and hot, with a high near 33. | |
Dayton TN 35.49°N 85.01°W (Elev. 699 m) | |
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