Sylvania, OH Weather & Growing Conditions
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind around 13 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 13 mph S | 2% |
| Tonight | 62°F | Mostly Cloudy then Chance Light Rain | 12 mph S | 34% |
| Wednesday | 69°F | Light Rain Likely | 13 to 16 mph S | 72% |
| Wednesday Night | 52°F | Chance Light Rain then Mostly Cloudy | 8 to 14 mph SW | 50% |
| Thursday | 61°F | Partly Sunny | 9 to 16 mph SW | 7% |
| Thursday Night | 46°F | Mostly Cloudy | 3 to 9 mph W | 14% |
| Friday | 56°F | Chance Light Rain | 3 to 9 mph NW | 39% |
| Friday Night | 39°F | Chance Light Rain | 8 mph NW | 34% |
| Saturday | 53°F | Slight Chance Light Rain then Partly Sunny | 9 mph NW | 17% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 7% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Light Rain | 3 to 12 mph W | 16% |
| Sunday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 6 to 9 mph W | 16% |
| Monday | 58°F | Mostly Sunny | 6 to 13 mph W | 14% |
| Monday Night | 38°F | Partly Cloudy | 9 mph SW | 11% |
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 (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.