Franklin, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Williamson County, Tennessee.
Today
90°F
Sunny
Sunny, with a high near 90. Heat index values as high as 97. North northeast wind 0 to 5 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 0 to 5 mph NNE | 10% |
| Tonight | 70°F | Mostly Clear then Patchy Fog | 0 to 5 mph N | 11% |
| Wednesday | 91°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Wednesday Night | 71°F | Partly Cloudy | 0 to 5 mph SSW | 12% |
| Thursday | 93°F | Sunny | 5 mph SSW | 14% |
| Thursday Night | 72°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph S | 20% |
| Friday | 93°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph SSW | 40% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 40% |
| Saturday | 92°F | Chance Showers And Thunderstorms | 5 mph SSW | 50% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 50% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 33% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 33% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SSW | 25% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 25% |
Forecast source: National Weather Service (api.weather.gov) for Franklin (35.914, -86.852). Updated through the day.
Growing snapshot for Franklin
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
193 days
Hardiness zone
7b
More local growing data for Franklin: nearby ZIP 37067 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brentwood, Tn (5.4 mi from Franklin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.