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.

Fair

72°F

22°C

Humidity 31%
Wind Speed E 5 mph
Barometer 30.20 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 May 10:15 am CDT
Extended Forecast for

Smithville TN

  • Today

    Today: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. North wind 5 to 10 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Southeast wind around 5 mph becoming south southwest in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind.
Tonight
Partly cloudy, with a low around 55. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 78. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 47. Northwest wind 5 to 10 mph becoming light north after midnight.
Thursday
Sunny, with a high near 70. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 80. Southeast wind around 5 mph becoming south southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 59. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.8°W (Elev. 1050 ft)
Last Update:
5:51 am CDT May 12, 2026
Forecast Valid:
10am CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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