New Johnsonville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Johnsonville, a city in Humphreys County, Tennessee.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 104. Northwest wind around 0 mph.
7-day forecast for New Johnsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 0 mph | 6% |
| Tonight | 73°F | Mostly Clear | 0 mph | 7% |
| Saturday | 98°F | Sunny | 0 mph | 2% |
| Saturday Night | 73°F | Mostly Clear | 0 mph | 2% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 1% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 1% |
| Monday | 95°F | Mostly Sunny | 5 mph WSW | 11% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 38% |
| Tuesday | 87°F | Chance Showers And Thunderstorms | 0 to 10 mph N | 31% |
| Tuesday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 31% |
| Wednesday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph N | 16% |
| Wednesday Night | 61°F | Mostly Clear | 5 mph NNE | 12% |
| Thursday | 80°F | Mostly Sunny | 5 mph N | 6% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph NNE | 6% |
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 Sep 19, 2026.