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
74°F
Cloudy
Cloudy, with a high near 74. Southeast wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Union Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Cloudy | 15 mph SE | 12% |
| Tonight | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph SSE | 82% |
| Wednesday | 73°F | Showers And Thunderstorms | 5 to 10 mph SSW | 94% |
| Wednesday Night | 55°F | Patchy Fog | 0 mph | 7% |
| Thursday | 73°F | Patchy Fog then Mostly Sunny | 0 mph | 3% |
| Thursday Night | 51°F | Partly Cloudy | 0 mph | 3% |
| Friday | 71°F | Sunny | 0 to 10 mph NNW | 2% |
| Friday Night | 45°F | Mostly Clear | 5 mph NNW | 1% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph NNW | 0% |
| Saturday Night | 39°F | Partly Cloudy | 5 mph NNW | 2% |
| Sunday | 63°F | Mostly Sunny | 5 mph NNW | 5% |
| Sunday Night | 38°F | Mostly Clear | 5 mph NW | 5% |
| Monday | 64°F | Sunny | 5 mph NW | 2% |
| Monday Night | 39°F | Mostly Clear | 0 mph | 0% |
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 Nov 3, 2026.