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.

Fair

50°F

10°C

Humidity 28%
Wind Speed NW 7 G 17 mph
Barometer 30.16 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 8 Apr 4:35 pm CDT
Extended Forecast for

Castalian Springs TN

  • Tonight

    Tonight: Widespread frost after 2am. Otherwise, clear, with a low around 30. North wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Clear then
    Frost

  • Wednesday

    Wednesday: Widespread frost before 8am. Otherwise, sunny, with a high near 65. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 65 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 70. West wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. West northwest wind around 5 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 57. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. North northwest wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. North northwest wind 5 to 10 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North northwest wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread frost after 2am. Otherwise, clear, with a low around 30. North wind around 5 mph becoming calm in the evening.
Wednesday
Widespread frost before 8am. Otherwise, sunny, with a high near 65. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 70. West wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. West northwest wind around 5 mph. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 57. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 36. North northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 61. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 36. North northwest wind around 5 mph becoming calm.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Castalian Springs TN
 36.39°N 86.29°W (Elev. 591 ft)
Last Update:
11:03 am CDT Apr 8, 2025
Forecast Valid:
4pm CDT Apr 8, 2025-6pm CDT Apr 15, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation