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

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Last update 12 May 3:35 am CDT
Extended Forecast for

Lancaster TN

  • Overnight

    Overnight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Calm wind becoming north around 5 mph in the morning.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 80. Calm wind.
Tuesday Night
Mostly clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 81. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Clear, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster TN
 36.1°N 85.82°W (Elev. 620 ft)
Last Update:
1:31 am CDT May 12, 2026
Forecast Valid:
3am 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