National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta Upper Cumberland Regional Airport (KSRB)

Lat: 36.06°NLon: 85.53°WElev: 1024ft.

Partly Cloudy

95°F

35°C

Humidity 44%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Heat Index101°F (38°C)
Last update 19 Aug 4:15 pm CDT
Extended Forecast for

Sparta TN

  • Tonight

    Tonight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind.
Friday Night
Mostly clear, with a low around 68. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 66. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta TN
 35.92°N 85.47°W (Elev. 883 ft)
Last Update:
12:28 pm CDT Aug 19, 2025
Forecast Valid:
4pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation