Decatur, AL Weather & Growing Conditions
Today
75°F
Showers And Thunderstorms
Showers and thunderstorms before 4pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 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 |
|---|---|---|---|---|
| Today | 75°F | Showers And Thunderstorms | 5 to 10 mph SW | 92% |
| Tonight | 50°F | Areas Of Fog | 0 mph | 1% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 mph | 0% |
| Thursday Night | 46°F | Areas Of Fog | 0 mph | 0% |
| Friday | 72°F | Areas Of Fog then Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 41°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 62°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 65°F | Sunny | 0 to 5 mph N | 2% |
| Monday Night | 35°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 69°F | Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 37°F | Mostly Clear | 0 mph | 0% |
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 Nov 4, 2026.