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.

Partly Cloudy

82°F

28°C

Humidity 74%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Jun 7:35 pm CDT
Extended Forecast for

3 Miles WSW Castalian Springs TN

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 5am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms, mainly after 1pm. High near 86. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 5am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Monday
Showers and thunderstorms, mainly after 1pm. High near 86. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 72. South wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph.
Juneteenth
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Castalian Springs TN
 36.35°N 86.35°W (Elev. 469 ft)
Last Update:
5:21 pm CDT Jun 15, 2025
Forecast Valid:
8pm CDT Jun 15, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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