Harman US

Custer, MI Weather & Growing Conditions

Tonight
61°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South southeast wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Chance Rain Showers 10 mph SSE 28%
Wednesday 67°F Rain Showers 14 mph S 93%
Wednesday Night 45°F Chance Rain Showers 9 to 13 mph SW 48%
Thursday 53°F Rain Showers 10 mph WSW 90%
Thursday Night 36°F Rain Showers 8 mph NNW 75%
Friday 48°F Chance Rain Showers 8 to 12 mph N 48%
Friday Night 31°F Chance Rain Showers then Mostly Cloudy 2 to 8 mph N 41%
Saturday 50°F Mostly Sunny 2 to 7 mph NNW 4%
Saturday Night 31°F Partly Cloudy 1 to 5 mph W 5%
Sunday 52°F Slight Chance Rain Showers 3 to 9 mph W 19%
Sunday Night 34°F Slight Chance Rain Showers then Partly Cloudy 2 to 6 mph WNW 19%
Monday 56°F Mostly Sunny 2 to 10 mph WSW 3%
Monday Night 39°F Partly Cloudy 5 to 8 mph WSW 5%
Tuesday 56°F Mostly Sunny 5 to 9 mph WNW 6%

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

Growing snapshot for Custer, MI

Last spring frost
May 17
First fall frost
Oct 7
Growing season
144 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Ludington 4 Se, Mi (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.