Weather in Castalian Springs, TN
Updated 2026-09-26 09:00 local time · ZIP codes 37031

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°10% rain
62°6% rain
69°9% rain
73°6% rain
72°9% rain
72°9% rain
71°9% rain
71°10% rain
71°10% rain
70°11% rain
65°11% rain
64°11% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 11%).
It feels like 51°F with winds near 11 mph.
73°F, 6% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 60°F, wind 11 mph, rain chance up to 11%.
UV index is 1.
Local weather characteristics in Castalian Springs
Tennessee has a humid climate with hot summers and relatively mild winters. Elevation in the east can make mountain locations notably cooler and wetter.
Castalian Springs is part of the South weather region. The forecast point is near 36.39°N latitude and 86.31°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Castalian Springs weather today
Overcast and 60°F in Castalian Springs, TN. Today's high is 73°F with a 6% rain chance. Winds are around 11 mph with gusts near 19 mph. Relative humidity is 42%, pressure is 30.11 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Castalian Springs
Sunrise is at 06:36 AM and sunset is at 06:36 PM. Tomorrow's forecast calls for Sunny with a high near 77°F and a low near 53°F. The maximum rain chance is 5%.