Decatur, AL Weather & Growing Conditions
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 0% |
| Saturday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 28% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 21% |
| Sunday | 97°F | Mostly Sunny | 0 mph | 10% |
| Sunday Night | 71°F | Partly Cloudy | 0 mph | 12% |
| Monday | 96°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 33% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 49% |
| Tuesday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 50% |
| Tuesday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 50% |
| Wednesday | 86°F | Chance Rain Showers | 5 mph N | 41% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NNE | 41% |
| Thursday | 84°F | Mostly Sunny | 5 mph NNE | 12% |
| Thursday Night | 61°F | Mostly Clear | 0 to 5 mph NNE | 12% |
| Friday | 84°F | Mostly Sunny | 0 to 10 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Decatur, AL
Last spring frost
Mar 26
First fall frost
Nov 7
Growing season
228 days
Hardiness zone
8a
Explore more for Decatur, AL: full frost dates · planting calendar · Alabama frost dates
Climate data from the nearest NOAA station, Decatur 4Se, Al (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.