Cowan, TN Weather & Growing Conditions
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 0 mph | 0% |
| Saturday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 47% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph ESE | 31% |
| Sunday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 21% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 15% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 40% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 62% |
| Tuesday | 88°F | Showers And Thunderstorms | 0 to 5 mph SW | 75% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 to 5 mph ENE | 75% |
| Wednesday | 82°F | Rain Showers Likely | 5 mph N | 62% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 62% |
| Thursday | 81°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph NNE | 15% |
| Thursday Night | 60°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 15% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cowan, TN
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
7b
Explore more for Cowan, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Winchester 5Se, Tn (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.