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.

Mostly Cloudy

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 30 Jul 3:15 am CDT
Extended Forecast for

Smithville TN

  • Overnight

    Overnight: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming north northeast around 5 mph in the morning.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Friday

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

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 84. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 68. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 64. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind becoming north northeast around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 88. Calm wind.
Friday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%.
Saturday
Showers and possibly a thunderstorm. High near 84. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 68. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.83°W (Elev. 1079 ft)
Last Update:
1:31 am CDT Jul 30, 2026
Forecast Valid:
3am CDT Jul 30, 2026-6pm CDT Aug 5, 2026
 
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