Harman US

Mendon, MI Weather & Growing Conditions

This Afternoon
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a high near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Chance Showers And Thunderstorms 5 to 10 mph SE 50%
Tonight 63°F Showers And Thunderstorms 5 mph SE 88%
Sunday 69°F Showers And Thunderstorms 5 to 15 mph N 79%
Sunday Night 50°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 28%
Monday 64°F Chance Rain Showers 10 to 15 mph NE 25%
Monday Night 48°F Mostly Cloudy 10 to 15 mph NE 14%
Tuesday 63°F Slight Chance Rain Showers 10 to 15 mph NE 16%
Tuesday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph NE 22%
Wednesday 63°F Chance Rain Showers 10 to 15 mph NE 41%
Wednesday Night 50°F Chance Rain Showers then Mostly Cloudy 5 to 15 mph NE 41%
Thursday 66°F Partly Sunny 5 to 10 mph NE 9%
Thursday Night 50°F Mostly Cloudy 5 to 10 mph NE 9%
Friday 70°F Partly Sunny 5 to 10 mph NE 5%
Friday Night 49°F Partly Cloudy 0 to 5 mph NE 5%

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

Growing snapshot for Mendon, MI

Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a

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

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