Custer, MI Weather & Growing Conditions
Tonight
45°F
Cloudy then Chance Rain Showers
A chance of rain showers after midnight. Cloudy. Low around 45, with temperatures rising to around 48 overnight. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Cloudy then Chance Rain Showers | 9 mph SW | 42% |
| Thursday | 54°F | Rain Showers | 9 mph WSW | 95% |
| Thursday Night | 34°F | Chance Rain Showers | 7 to 10 mph NNW | 47% |
| Friday | 47°F | Rain Showers Likely | 10 mph N | 62% |
| Friday Night | 30°F | Chance Rain Showers then Mostly Cloudy | 2 to 9 mph N | 40% |
| Saturday | 51°F | Mostly Sunny | 2 to 7 mph NNW | 1% |
| Saturday Night | 30°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 54°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 34°F | Mostly Clear | 2 to 6 mph WNW | 8% |
| Monday | 58°F | Mostly Sunny | 2 to 10 mph WSW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 to 9 mph WSW | 1% |
| Tuesday | 58°F | Mostly Sunny | 3 to 9 mph WNW | 1% |
| Tuesday Night | 34°F | Partly Cloudy | 1 to 5 mph NW | 2% |
| Veterans Day | 57°F | Partly Sunny | 1 to 7 mph NW | 4% |
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 (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.