Decatur, AL Weather & Growing Conditions
Overnight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Cloudy, with a low around 62. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Chance Showers And Thunderstorms | 15 mph SSE | 91% |
| Wednesday | 74°F | Showers And Thunderstorms | 5 to 15 mph SSW | 93% |
| Wednesday Night | 48°F | Areas Of Fog | 0 to 5 mph NW | 1% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 mph | 0% |
| Thursday Night | 44°F | Partly Cloudy | 0 mph | 0% |
| Friday | 72°F | Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 39°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Saturday | 63°F | Mostly Sunny | 10 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph N | 0% |
| Sunday | 63°F | Sunny | 5 to 10 mph N | 0% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 66°F | Sunny | 0 to 5 mph NNW | 1% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 69°F | Sunny | 0 to 5 mph NW | 2% |
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 Nov 4, 2026.