Sylvania, OH Weather & Growing Conditions
This Afternoon
68°F
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 68. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain Likely | 18 mph S | 66% |
| Tonight | 51°F | Light Rain Likely then Mostly Cloudy | 9 to 14 mph SW | 60% |
| Thursday | 60°F | Partly Sunny | 9 to 15 mph SW | 6% |
| Thursday Night | 46°F | Mostly Cloudy then Chance Rain Showers | 5 to 9 mph W | 31% |
| Friday | 53°F | Chance Rain Showers | 6 to 10 mph W | 53% |
| Friday Night | 38°F | Chance Rain Showers | 9 mph NW | 31% |
| Saturday | 51°F | Slight Chance Rain Showers then Partly Sunny | 9 mph NW | 17% |
| Saturday Night | 34°F | Partly Cloudy | 6 mph W | 2% |
| Sunday | 55°F | Mostly Sunny | 5 to 13 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 to 9 mph W | 6% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph W | 3% |
| Monday Night | 39°F | Partly Cloudy | 8 mph SW | 2% |
| Tuesday | 61°F | Mostly Sunny | 7 to 12 mph W | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 2 to 7 mph W | 1% |
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 Nov 4, 2026.