National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sumner County Regional Airport (KXNX)

Lat: 36.38°NLon: 86.41°WElev: 583ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 16 Jun 4:35 am CDT
Extended Forecast for

2 Miles NW Castalian Springs TN

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 86. Calm wind becoming south southwest around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 70. South southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South southwest wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 86. West wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 68. West wind around 5 mph becoming calm.

    Low: 68 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 86. Calm wind becoming south southwest around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 70. South southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South southwest wind 5 to 10 mph.
Juneteenth
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 86. West wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 68. West wind around 5 mph becoming calm.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 69.
Saturday
Patchy fog. Otherwise, sunny, with a high near 93.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Castalian Springs TN
 36.39°N 86.35°W (Elev. 509 ft)
Last Update:
3:06 am CDT Jun 16, 2025
Forecast Valid:
5am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation