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

84°F

29°C

Humidity 62%
Wind Speed Vrbl 6 mph
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 27 Aug 12:15 pm CDT
Extended Forecast for

Smithville TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 63. North wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind becoming south southeast around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South wind around 5 mph.

    High: 90 °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

  • Monday

    Monday: Sunny, with a high near 91. South wind around 5 mph.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 63. North wind around 5 mph becoming calm.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 66. Calm wind becoming south southeast around 5 mph.
Sunday
Sunny, with a high near 90. 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 91. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithville TN
 35.96°N 85.83°W (Elev. 1079 ft)
Last Update:
9:26 am CDT Aug 27, 2026
Forecast Valid:
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation