Union, AL Weather & Growing Conditions
Today
90°F
Mostly Sunny
Mostly sunny, with a high near 90. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Tonight | 72°F | Mostly Clear | 0 mph | 7% |
| Wednesday | 92°F | Sunny | 0 mph | 7% |
| Wednesday Night | 73°F | Mostly Clear | 0 mph | 7% |
| Thursday | 93°F | Sunny | 0 mph | 7% |
| Thursday Night | 73°F | Mostly Clear | 0 mph | 7% |
| Friday | 92°F | Mostly Sunny | 0 mph | 12% |
| Friday Night | 73°F | Partly Cloudy | 0 mph | 12% |
| Saturday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 19% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 mph | 19% |
| Sunday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 27% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 29% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
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 (17.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.