Mountain Brook, AL Weather & Growing Conditions
Today
96°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Northeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 41% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 41% |
| Sunday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 20% |
| Monday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 28% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Tuesday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 38% |
| Tuesday Night | 69°F | Chance Showers And Thunderstorms | 5 mph E | 32% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 5 mph NE | 39% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Mostly Clear | 5 mph NE | 39% |
| Thursday | 84°F | Mostly Sunny | 5 to 10 mph NE | 10% |
| Thursday Night | 63°F | Mostly Clear | 5 mph NE | 9% |
| Friday | 84°F | Sunny | 5 to 10 mph NE | 5% |
| Friday Night | 62°F | Mostly Clear | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mountain Brook, AL
Last spring frost
Mar 21
First fall frost
Nov 11
Growing season
236 days
Hardiness zone
8b
Explore more for Mountain Brook, AL: full frost dates · planting calendar · Alabama frost dates
Climate data from the nearest NOAA station, Birmingham Ap, Al (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.