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
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 62 in the afternoon. West southwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Johnsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Partly Sunny | 5 to 10 mph WSW | 6% |
| Tonight | 46°F | Areas Of Fog | 0 to 5 mph WSW | 0% |
| Thursday | 71°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 46°F | Areas Of Fog | 0 mph | 0% |
| Friday | 66°F | Patchy Fog then Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 40°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 58°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 35°F | Mostly Clear | 0 mph | 0% |
| Monday | 62°F | Sunny | 0 mph | 0% |
| Monday Night | 37°F | Clear | 0 mph | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph SW | 2% |
| Tuesday Night | 40°F | Mostly Clear | 0 mph | 0% |
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 Nov 4, 2026.