7-Day Forecast 35.49°N 85.01°W (Text-Only)
NWS Forecast for: Dayton TN
Issued by: National Weather Service Morristown, TN
Last Update: 1:32 pm EDT Jun 17, 2025




This Afternoon: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 85. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms, mainly before 1am. Low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 87. Heat index values as high as 97. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Southwest wind around 5 mph. Chance of precipitation is 100%.

Thursday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.

Friday: Mostly sunny, with a high near 88. Calm wind.

Friday Night: Mostly clear, with a low around 67.

Saturday: Sunny and hot, with a high near 91.

Saturday Night: Mostly clear, with a low around 70.

Sunday: A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.

Sunday Night: A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.

Monday: A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.



Dayton TN
 35.49°N 85.01°W (Elev. 699 ft)

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