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

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 26 Aug 10:55 pm CDT
Extended Forecast for

Smithville TN

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming west around 5 mph.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. North wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Calm wind becoming south southeast around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. South wind around 5 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind becoming south southeast around 5 mph.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming west around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65. Calm wind.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 91. Calm wind.
Saturday Night
Mostly clear, with a low around 67. Calm wind becoming south southeast around 5 mph.
Sunday
Sunny, with a high near 92. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 69. Calm wind becoming south southeast around 5 mph.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.8°W (Elev. 1050 ft)
Last Update:
6:11 pm CDT Aug 26, 2026
Forecast Valid:
11pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation