Decatur, AL Weather & Growing Conditions
Overnight
67°F
Partly Cloudy
Partly cloudy, with a low around 67. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 29% |
| Tuesday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 26% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 43% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 34% |
| Thursday | 90°F | Sunny | 0 to 5 mph S | 9% |
| Thursday Night | 72°F | Partly Cloudy | 0 to 5 mph SSE | 9% |
| Friday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 18% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 18% |
| Saturday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph S | 36% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 36% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 28% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 28% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Decatur, AL
Last spring frost
Mar 27
First fall frost
Nov 3
Growing season
221 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 Pryor Fld, Al (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.