Weather Forecast for
Zip Code 37031 Castalian Springs, TN

Tonight: Partly cloudy, with a low around 69. Calm wind.

Friday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 97. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 74. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday: Showers and possibly a thunderstorm. High near 90. Heat index values as high as 100. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Saturday 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. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 73. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

Sunday Night: Mostly clear, with a low around 74. Calm wind.

Monday: Sunny, with a high near 96. Calm wind becoming west northwest around 5 mph.

Monday Night: Clear, with a low around 75. Calm wind.

Tuesday: Sunny and hot, with a high near 98.

Tuesday Night: Mostly clear, with a low around 77.

Wednesday: Sunny and hot, with a high near 99.

Wednesday Night: Mostly clear, with a low around 77.

Thursday: Sunny and hot, with a high near 98.

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