Sylvania, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sylvania, a town in Dekalb County, Alabama.
This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. Southeast wind around 15 mph, with gusts as high as 30 mph.
7-day forecast for Sylvania
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Cloudy | 15 mph SE | 3% |
| Tonight | 60°F | Showers And Thunderstorms | 15 mph SE | 75% |
| Wednesday | 70°F | Showers And Thunderstorms | 5 to 15 mph S | 96% |
| Wednesday Night | 55°F | Slight Chance Rain Showers then Areas Of Fog | 0 to 5 mph W | 21% |
| Thursday | 71°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WNW | 6% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 3% |
| Friday | 69°F | Sunny | 0 to 10 mph NW | 2% |
| Friday Night | 41°F | Mostly Clear | 5 mph NNW | 1% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph N | 1% |
| Sunday | 61°F | Mostly Sunny | 5 to 10 mph NNW | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 mph NNW | 6% |
| Monday | 62°F | Sunny | 5 to 10 mph NW | 2% |
| Monday Night | 35°F | Mostly Clear | 0 mph | 0% |
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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Pine Ridge
Powell
Rainsville
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 Nov 4, 2026.