New Union, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Union, a community in Coffee County, Tennessee.
Tonight
69°F
Mostly Clear
Mostly clear, with a low around 69. South wind 0 to 5 mph.
7-day forecast for New Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Clear | 0 to 5 mph S | 3% |
| Sunday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 17% |
| Sunday Night | 70°F | Mostly Clear | 0 mph | 12% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Chance Rain Showers | 0 to 5 mph SE | 45% |
| Tuesday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 66% |
| Tuesday Night | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 66% |
| Wednesday | 81°F | Chance Rain Showers | 0 to 5 mph NNW | 47% |
| Wednesday Night | 60°F | Chance Rain Showers | 0 to 5 mph N | 30% |
| Thursday | 80°F | Slight Chance Rain Showers | 0 to 5 mph N | 21% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 19% |
| Friday | 81°F | Mostly Sunny | 0 to 10 mph NNE | 8% |
| Friday Night | 55°F | Partly Cloudy | 0 to 5 mph NNE | 8% |
| Saturday | 81°F | Mostly Sunny | 0 to 10 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for New Union (35.534, -86.083). Updated through the day.
Growing snapshot for New Union
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
7b
More local growing data for New Union: nearby ZIP 37355 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manchester #2, Tn (0.6 mi from New Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.