Mount Juliet, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Juliet, a city in Wilson County, Tennessee.
Today
88°F
Sunny
Sunny, with a high near 88. North northeast wind around 5 mph.
7-day forecast for Mount Juliet
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 5 mph NNE | 6% |
| Tonight | 70°F | Mostly Clear then Patchy Fog | 0 to 5 mph N | 8% |
| Wednesday | 89°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph W | 32% |
| Wednesday Night | 70°F | Partly Cloudy | 0 to 5 mph SE | 9% |
| Thursday | 91°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 20% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph SSE | 24% |
| Friday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph SSW | 35% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 35% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 5 mph SSW | 51% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 51% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 32% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 32% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 21% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 21% |
Forecast source: National Weather Service (api.weather.gov) for Mount Juliet (36.199, -86.509). Updated through the day.
Growing snapshot for Mount Juliet
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
216 days
Hardiness zone
7b
More local growing data for Mount Juliet: nearby ZIP 37122 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Old Hickory Wfo, Tn (6.4 mi from Mount Juliet). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.