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Sylvan Lake, MI Weather & Growing Conditions

Today
66°F
Rain Showers Likely
Rain showers likely before 2pm, then showers and thunderstorms likely. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. East southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 66°F Rain Showers Likely 8 mph ESE 71%
Tonight 58°F Patchy Fog 5 to 8 mph E 89%
Sunday 68°F Chance Rain Showers 6 to 12 mph NNE 49%
Sunday Night 52°F Mostly Cloudy 12 mph NE 1%
Monday 62°F Mostly Cloudy 13 mph NE 2%
Monday Night 49°F Mostly Cloudy 13 mph NE 4%
Tuesday 62°F Partly Sunny 15 mph NE 10%
Tuesday Night 50°F Chance Rain Showers 15 mph ENE 43%
Wednesday 61°F Chance Rain Showers 12 to 15 mph ENE 51%
Wednesday Night 51°F Chance Rain Showers 8 to 12 mph ENE 44%
Thursday 64°F Slight Chance Rain Showers then Partly Sunny 10 mph ENE 19%
Thursday Night 51°F Mostly Cloudy 5 to 8 mph NE 14%
Friday 68°F Mostly Sunny 6 to 9 mph NE 9%
Friday Night 51°F Mostly Clear 5 to 8 mph NE 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Sylvan Lake, MI

Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6a

Explore more for Sylvan Lake, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Pontiac Wwtp, Mi (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.