New Union, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Union, a community in Marshall County, Alabama.
Today
85°F
Chance Showers And Thunderstorms
A slight chance of rain showers between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. North wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 51% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 0 mph | 69% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 69% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 27% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 27% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 25% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 25% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 41% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 41% |
| Sunday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 40% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 40% |
| Monday | 87°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Monday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 50% |
Forecast source: National Weather Service (api.weather.gov) for New Union (34.134, -86.228). Updated through the day.
Growing snapshot for New Union
Last spring frost
Mar 19
First fall frost
Nov 18
Growing season
244 days
Hardiness zone
8a
More local growing data for New Union: nearby ZIP 35957 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Guntersville, Al (12.2 mi from New Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.