Dayton, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a town in Marengo County, Alabama.
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. Northwest wind around 0 mph.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 mph | 0% |
| Saturday | 98°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NW | 43% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 16% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 16% |
| Monday | 95°F | Sunny | 0 to 5 mph E | 12% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Tuesday | 94°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 0 to 5 mph NE | 20% |
| Tuesday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 16% |
| Wednesday | 90°F | Sunny | 5 to 10 mph NE | 11% |
| Wednesday Night | 68°F | Mostly Clear | 5 to 10 mph N | 11% |
| Thursday | 87°F | Sunny | 5 to 10 mph N | 4% |
| Thursday Night | 65°F | Mostly Clear | 5 to 10 mph N | 4% |
| Friday | 86°F | Sunny | 5 to 10 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dayton (32.351, -87.642). Updated through the day.
Growing snapshot for Dayton
Last spring frost
Mar 16
First fall frost
Nov 14
Growing season
241 days
Hardiness zone
8b
More local growing data for Dayton: nearby ZIP 36738 weather · frost dates · planting calendar · Alabama frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Demopolis L&D, Al (16.3 mi from Dayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.