New Union, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Union, a community in Coffee County, Tennessee.
Today
86°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog before 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. North northeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 39% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 to 5 mph NNE | 23% |
| Wednesday | 86°F | Chance Showers And Thunderstorms | 0 mph | 38% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SSW | 31% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 31% |
| Friday | 88°F | Chance Showers And Thunderstorms | 5 mph SSW | 40% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 40% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 63% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 63% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 42% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 37% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 37% |
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 Aug 4, 2026.