Harman US

Otter Lake, MI Weather & Growing Conditions

Today
87°F
Sunny
Sunny, with a high near 87. Southwest wind around 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 87°F Sunny 9 mph SW 0%
Tonight 60°F Mostly Clear 5 to 8 mph SSW 0%
Wednesday 87°F Mostly Sunny 6 to 10 mph SW 8%
Wednesday Night 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms 1 to 9 mph W 76%
Thursday 81°F Showers And Thunderstorms 2 to 6 mph W 77%
Thursday Night 60°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 1 to 5 mph ESE 50%
Friday 85°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 5 mph SW 27%
Friday Night 62°F Chance Showers And Thunderstorms then Mostly Clear 1 to 5 mph SSW 27%
Saturday 88°F Sunny 2 to 10 mph SW 6%
Saturday Night 65°F Chance Rain Showers 3 to 9 mph SW 30%
Sunday 89°F Chance Rain Showers 5 to 14 mph SW 30%
Sunday Night 65°F Chance Showers And Thunderstorms 5 to 13 mph WSW 48%
Monday 86°F Chance Rain Showers 6 to 9 mph WSW 48%
Monday Night 63°F Chance Showers And Thunderstorms 3 to 8 mph WSW 47%

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

Growing snapshot for Otter Lake, MI

Last spring frost
May 4
First fall frost
Oct 13
Growing season
161 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Lapeer 2W, Mi (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.