Sylvania, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sylvania, a town in Dekalb County, Alabama.
Overnight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. Northeast wind around 0 mph.
7-day forecast for Sylvania
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Partly Cloudy | 0 mph | 7% |
| Saturday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 45% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 37% |
| Sunday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 21% |
| Sunday Night | 68°F | Partly Cloudy | 0 mph | 13% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 40% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 61% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 72% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 72% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 5 mph E | 59% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 5 mph ENE | 59% |
| Thursday | 79°F | Mostly Sunny | 5 mph NE | 14% |
| Thursday Night | 59°F | Mostly Clear | 5 mph NE | 13% |
| Friday | 78°F | Mostly Sunny | 5 mph NNE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Sylvania (34.562, -85.805). Updated through the day.
Growing snapshot for Sylvania
Last spring frost
Mar 29
First fall frost
Nov 8
Growing season
225 days
Hardiness zone
7b
More local growing data for Sylvania: nearby ZIP 35988 weather · frost dates · planting calendar · Alabama frost dates
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Shiloh
Valley Head
Climate data from the nearest NOAA station, Ft Payne, Al (9.1 mi from Sylvania). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.