Union Grove, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union Grove, a town in Marshall County, Alabama.
This Afternoon
95°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 3pm and 4pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 95. Heat index values as high as 104. North northeast wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Union Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 20% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 20% |
| Saturday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 32% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 18% |
| Sunday | 94°F | Sunny | 0 to 5 mph S | 9% |
| Sunday Night | 70°F | Partly Cloudy | 0 mph | 9% |
| Monday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 28% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Tuesday | 90°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph ENE | 47% |
| Wednesday | 85°F | Chance Rain Showers | 5 mph NNE | 27% |
| Wednesday Night | 63°F | Chance Rain Showers then Partly Cloudy | 5 mph NNE | 27% |
| Thursday | 82°F | Mostly Sunny | 5 mph NNE | 7% |
| Thursday Night | 61°F | Mostly Clear | 5 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Union Grove (34.406, -86.452). Updated through the day.
Growing snapshot for Union Grove
Last spring frost
Apr 4
First fall frost
Oct 30
Growing season
210 days
Hardiness zone
8a
More local growing data for Union Grove: nearby ZIP 35175 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Owens Cross Roads 3S, Al (8.9 mi from Union Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.