Union, AL Weather & Growing Conditions
Today
76°F
Rain Showers
Rain showers. Cloudy. High near 76, with temperatures falling to around 70 in the afternoon. West wind 0 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Rain Showers | 0 to 10 mph W | 78% |
| Tonight | 53°F | Mostly Cloudy | 0 mph | 8% |
| Thursday | 76°F | Mostly Sunny | 0 mph | 1% |
| Thursday Night | 51°F | Partly Cloudy | 0 mph | 1% |
| Friday | 75°F | Sunny | 0 to 5 mph NW | 1% |
| Friday Night | 47°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 40°F | Partly Cloudy | 5 mph N | 0% |
| Sunday | 65°F | Mostly Sunny | 5 mph N | 1% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph N | 1% |
| Monday | 67°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 39°F | Mostly Clear | 0 to 5 mph N | 3% |
| Tuesday | 70°F | Sunny | 0 mph | 3% |
| Tuesday Night | 41°F | Mostly Clear | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union, AL
Last spring frost
Mar 12
First fall frost
Nov 15
Growing season
250 days
Hardiness zone
8b
Explore more for Union, AL: full frost dates · planting calendar · Alabama frost dates
Climate data from the nearest NOAA station, Tuscaloosa Acfd, Al (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.