New Johnsonville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Johnsonville, a city in Humphreys County, Tennessee.
Today
87°F
Sunny
Sunny, with a high near 87. North northeast wind 0 to 5 mph.
7-day forecast for New Johnsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 0 to 5 mph NNE | 1% |
| Tonight | 69°F | Mostly Clear then Patchy Fog | 0 to 5 mph NNE | 1% |
| Wednesday | 89°F | Patchy Fog then Sunny | 0 mph | 6% |
| Wednesday Night | 70°F | Patchy Fog | 0 mph | 4% |
| Thursday | 91°F | Sunny | 0 to 5 mph SSW | 3% |
| Thursday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Friday | 91°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 24% |
| Friday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 43% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 24% |
| Monday | 91°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Monday Night | 72°F | Partly Cloudy | 0 mph | 11% |
Forecast source: National Weather Service (api.weather.gov) for New Johnsonville (36.016, -87.969). Updated through the day.
Growing snapshot for New Johnsonville
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
214 days
Hardiness zone
7b
More local growing data for New Johnsonville: nearby ZIP 37134 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Camden, Tn (8.6 mi from New Johnsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.