Harman US

Lake Seneca, MI Weather & Growing Conditions

Overnight
55°F
Slight Chance Rain Showers
A slight chance of rain showers after 4am. Mostly cloudy. Low around 55, with temperatures rising to around 60 overnight. East wind around 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 55°F Slight Chance Rain Showers 5 mph E 20%
Saturday 72°F Showers And Thunderstorms 5 to 10 mph E 84%
Saturday Night 61°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph SE 85%
Sunday 71°F Showers And Thunderstorms 5 to 15 mph N 85%
Sunday Night 50°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 38%
Monday 64°F Slight Chance Rain Showers 10 to 15 mph NE 19%
Monday Night 47°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 16%
Tuesday 63°F Partly Sunny 15 mph NE 14%
Tuesday Night 50°F Chance Rain Showers 10 to 15 mph NE 30%
Wednesday 64°F Chance Rain Showers 10 to 15 mph NE 30%
Wednesday Night 50°F Slight Chance Rain Showers then Mostly Cloudy 5 to 15 mph NE 19%
Thursday 66°F Partly Sunny 10 mph NE 9%
Thursday Night 50°F Mostly Cloudy 5 to 10 mph N 9%
Friday 69°F Partly Sunny 5 to 10 mph N 6%

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

Growing snapshot for Lake Seneca, MI

Last spring frost
Apr 28
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Montpelier, Oh (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.