Union, AL Weather & Growing Conditions
This Afternoon
98°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 98. Northeast wind around 0 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Slight Chance Showers And Thunderstorms | 0 mph | 15% |
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Saturday | 99°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 43% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Sunday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 16% |
| Monday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 30% |
| Tuesday | 96°F | Chance Showers And Thunderstorms then Mostly Sunny | 0 mph | 30% |
| Tuesday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Wednesday | 92°F | Sunny | 0 to 5 mph N | 10% |
| Wednesday Night | 68°F | Mostly Clear | 0 to 5 mph N | 10% |
| Thursday | 88°F | Sunny | 0 to 5 mph N | 3% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph N | 3% |
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 Sep 19, 2026.