Dayton, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a town in Marengo County, Alabama.
Tonight
63°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 63, with temperatures rising to around 67 overnight. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Rain Showers Likely | 5 mph SE | 72% |
| Wednesday | 79°F | Showers And Thunderstorms | 0 to 5 mph SW | 78% |
| Wednesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 0 mph | 19% |
| Thursday | 77°F | Partly Sunny | 0 mph | 5% |
| Thursday Night | 50°F | Partly Cloudy | 0 mph | 4% |
| Friday | 75°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Friday Night | 43°F | Mostly Clear | 5 mph N | 2% |
| Saturday | 69°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Sunday | 66°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Sunday Night | 35°F | Mostly Clear then Patchy Frost | 0 to 5 mph NW | 5% |
| Monday | 68°F | Patchy Frost then Sunny | 5 mph N | 1% |
| Monday Night | 34°F | Clear then Patchy Frost | 0 to 5 mph N | 0% |
| Tuesday | 71°F | Patchy Frost then Sunny | 0 to 5 mph NW | 3% |
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 Nov 4, 2026.