Union, AL Weather & Growing Conditions
This Afternoon
79°F
Slight Chance Rain Showers
A slight chance of rain showers after 3pm. Mostly cloudy. High near 79, with temperatures falling to around 75 in the afternoon. Southeast wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Slight Chance Rain Showers | 10 mph SE | 24% |
| Tonight | 65°F | Showers And Thunderstorms | 5 mph SE | 80% |
| Wednesday | 78°F | Showers And Thunderstorms | 0 to 5 mph W | 76% |
| Wednesday Night | 54°F | Partly Cloudy | 0 mph | 3% |
| Thursday | 78°F | Mostly Sunny | 0 mph | 3% |
| Thursday Night | 52°F | Partly Cloudy | 0 mph | 4% |
| Friday | 76°F | Sunny | 0 to 5 mph NW | 3% |
| Friday Night | 47°F | Mostly Clear | 5 mph N | 1% |
| Saturday | 69°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 41°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Sunday | 66°F | Mostly Sunny | 5 mph N | 7% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph NW | 4% |
| Monday | 68°F | Sunny | 5 mph NW | 1% |
| Monday Night | 39°F | Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union, AL
Last spring frost
Mar 19
First fall frost
Nov 8
Growing season
239 days
Hardiness zone
8b
Explore more for Union, AL: full frost dates · planting calendar · Alabama frost dates
Climate data from the nearest NOAA station, Gainesville Lock, Al (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.