What is today's weather forecast for Castalian Springs, TN?

Today's forecast for Castalian Springs shows a low of 40 degrees Fahrenheit. Partly cloudy, with a low around 40.

What is the 7-day weather forecast for Castalian Springs, TN?

The 7-day forecast for Castalian Springs shows highs from 42 to 61 degrees and lows from 28 to 48 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Castalian Springs, TN this week?

Yes, rain is possible in Castalian Springs this week. Precipitation chances: Thursday (90% chance), Saturday (30% chance), Sunday (20% chance), Monday (30% chance), Tuesday (30% chance), Wednesday (20% chance).

How accurate is the Castalian Springs weather forecast?

WeatherForYou provides highly accurate Castalian Springs forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Castalian Springs, TN Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

45°F
Feels Like 44°F

Humidity 76% Dew Point 38°F Wind NE 3 MPH Gusts 4 Barometer 29.39 in.

Report from a personal weather station 3.9 mi. ESE of central Castalian Springs
at 11:22 PM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

ThuDec 18

90%

FriDec 19

SatDec 20

SunDec 21

20%

MonDec 22

TueDec 23

20%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Significant warming trend with high temperatures climbing from 59°F to 58°F, reaching a high of 59°F. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

This week's forecast shows temperatures running 5°F above the historical average for December. Normal highs for this period are around 50°F with lows around 31°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

Castalian Springs, TN 7 Day Weather Forecast Details

Wednesday Dec 17

Night: Partly cloudy, with a low around 40. South southeast wind around 5 mph.

Thursday Dec 18

Day: Showers, mainly after 9am. High near 59. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Low around 28. South southwest wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Dec 19

Day: Sunny, with a high near 42. West northwest wind 5 to 10 mph.

Night: Mostly clear, with a low around 29. Calm wind becoming south around 5 mph after midnight.

Saturday Dec 20

Day: Sunny, with a high near 58. South wind 5 to 15 mph, with gusts as high as 25 mph.

Night: A 30 percent chance of showers. Mostly cloudy, with a low around 35. South southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

Sunday Dec 21

Day: A slight chance of rain and snow showers before noon. Mostly sunny, with a high near 49. North wind around 5 mph. Chance of precipitation is 20%.

Night: Partly cloudy, with a low around 31. East northeast wind around 5 mph.

Monday Dec 22

Day: Mostly sunny, with a high near 56.

Night: A 30 percent chance of showers. Mostly cloudy, with a low around 44.

Tuesday Dec 23

Day: A 20 percent chance of showers. Mostly cloudy, with a high near 58.

Night: A 30 percent chance of showers. Mostly cloudy, with a low around 48.

Wednesday Dec 24

Day: A 20 percent chance of showers. Mostly cloudy, with a high near 61.

About Castalian Springs, TN

Castalian Springs is an unincorporated community and census-designated place (CDP) in Sumner County, Tennessee, United States.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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