National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 35.51°N 85.04°W (Text-Only)
NWS Forecast for: Dayton TN
Issued by: National Weather Service Morristown, TN
Last Update: 1:25 am EDT Jul 13, 2025		Print

  • Overnight

    Overnight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear



  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph.

    High: 90 °F

    Chance
    T-storms


  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms


  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    T-storms



    • Overnight: Mostly clear, with a low around 70. Calm wind.

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph.

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Calm wind.

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Calm wind.

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Thursday: 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 88. Chance of precipitation is 80%.

    Thursday Night: Showers and thunderstorms. Low around 72. Chance of precipitation is 80%.

    Friday: Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.


    Dayton TN
     35.51°N 85.04°W (Elev. 1152 ft)

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