Sylvania, OH Weather & Growing Conditions
Overnight
58°F
Mostly Cloudy
Mostly cloudy, with a low around 58. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Cloudy | 5 mph NE | 7% |
| Saturday | 72°F | Showers And Thunderstorms | 3 to 7 mph E | 87% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 6 mph S | 83% |
| Sunday | 70°F | Showers And Thunderstorms | 3 to 12 mph NW | 79% |
| Sunday Night | 55°F | Chance Rain Showers | 13 mph NE | 49% |
| Monday | 64°F | Chance Rain Showers | 13 to 16 mph NE | 31% |
| Monday Night | 52°F | Chance Rain Showers | 16 mph NE | 31% |
| Tuesday | 62°F | Slight Chance Rain Showers | 17 mph NE | 22% |
| Tuesday Night | 54°F | Chance Rain Showers | 14 to 17 mph NE | 42% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph E | 47% |
| Wednesday Night | 53°F | Chance Rain Showers | 7 to 14 mph NE | 44% |
| Thursday | 65°F | Mostly Cloudy | 7 to 10 mph NE | 12% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph NE | 9% |
| Friday | 68°F | Mostly Sunny | 6 to 10 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sylvania, OH
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
6b
Explore more for Sylvania, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Toledo Express Ap, Oh (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.