New Union, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Union, a community in Marshall County, Alabama.
This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. North wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for New Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 19% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 19% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 27% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 26% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 20% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 20% |
| Monday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 21% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 47% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 5 mph N | 29% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph N | 29% |
| Thursday | 81°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Thursday Night | 61°F | Mostly Clear | 5 mph N | 7% |
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 Sep 18, 2026.