New Union, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Union, a community in Marshall County, Alabama.
Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 63. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for New Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 15 mph SE | 82% |
| Wednesday | 72°F | Showers And Thunderstorms | 5 to 15 mph S | 94% |
| Wednesday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NW | 24% |
| Thursday | 71°F | Partly Sunny | 0 mph | 4% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 2% |
| Friday | 70°F | Sunny | 0 to 10 mph NW | 1% |
| Friday Night | 44°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 37°F | Partly Cloudy then Patchy Frost | 5 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 5 mph N | 0% |
| Sunday Night | 37°F | Mostly Clear then Patchy Frost | 5 mph N | 0% |
| Monday | 62°F | Sunny | 5 mph N | 2% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 66°F | Sunny | 0 to 5 mph NW | 2% |
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 Nov 4, 2026.