Sylvania, MI Weather & Growing Conditions
This Afternoon
68°F
Chance Light Rain
A chance of rain. Cloudy. High near 68, with temperatures falling to around 65 in the afternoon. South wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Light Rain | 14 mph S | 37% |
| Tonight | 50°F | Chance Light Rain then Mostly Cloudy | 9 to 13 mph SSW | 47% |
| Thursday | 59°F | Mostly Cloudy | 10 to 16 mph SW | 13% |
| Thursday Night | 42°F | Cloudy then Chance Light Rain | 7 to 10 mph WSW | 52% |
| Friday | 52°F | Chance Light Rain | 8 to 13 mph NW | 26% |
| Friday Night | 34°F | Chance Light Rain then Mostly Cloudy | 10 mph NW | 26% |
| Saturday | 52°F | Partly Sunny | 8 to 12 mph NW | 5% |
| Saturday Night | 30°F | Partly Cloudy | 6 mph WNW | 0% |
| Sunday | 57°F | Mostly Sunny | 5 to 14 mph W | 3% |
| Sunday Night | 33°F | Mostly Clear | 5 to 10 mph W | 3% |
| Monday | 59°F | Sunny | 5 to 12 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 9 mph WSW | 0% |
| Tuesday | 62°F | Sunny | 10 mph W | 0% |
| Tuesday Night | 35°F | Partly Cloudy | 2 to 7 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sylvania, MI
Last spring frost
Apr 29
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
6a
Explore more for Sylvania, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Blissfield 1Nne, Mi (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.