Decatur, AL Weather & Growing Conditions
Today
96°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Sunny, with a high near 96. Heat index values as high as 101. North northeast wind around 0 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 27% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 20% |
| Sunday | 96°F | Sunny | 0 mph | 10% |
| Sunday Night | 73°F | Partly Cloudy | 0 mph | 12% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 29% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Tuesday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 50% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph NNE | 50% |
| Wednesday | 86°F | Chance Rain Showers | 5 mph N | 39% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NNE | 38% |
| Thursday | 83°F | Mostly Sunny | 5 mph NNE | 11% |
| Thursday Night | 62°F | Mostly Clear | 5 mph NNE | 11% |
| Friday | 83°F | Mostly Sunny | 5 to 10 mph NNE | 4% |
| Friday Night | 61°F | Mostly Clear | 5 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 (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.