Custer, MI Weather & Growing Conditions
Overnight
55°F
Mostly Clear
Mostly clear, with a low around 55. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Clear | 3 mph S | 1% |
| Tuesday | 83°F | Mostly Sunny | 3 to 12 mph SSW | 1% |
| Tuesday Night | 65°F | Mostly Cloudy then Chance Showers And Thunderstorms | 2 to 10 mph SSW | 80% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 2 to 7 mph W | 56% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 0 to 6 mph NW | 49% |
| Thursday | 80°F | Chance Rain Showers | 1 to 6 mph ESE | 40% |
| Thursday Night | 54°F | Mostly Clear | 0 to 6 mph SSW | 10% |
| Friday | 83°F | Sunny | 1 to 8 mph SW | 2% |
| Friday Night | 61°F | Mostly Clear | 3 to 7 mph SW | 7% |
| Saturday | 83°F | Sunny | 3 to 10 mph SSW | 12% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 9 mph SSW | 40% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 6 to 12 mph SW | 40% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 3 to 10 mph SW | 59% |
| Monday | 82°F | Chance Rain Showers | 3 to 8 mph WSW | 41% |
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 Aug 4, 2026.