Ironton, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ironton, a community in Charlevoix County, Michigan.
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 70, with temperatures falling to around 67 in the afternoon. South wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Ironton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 10 mph S | 32% |
| Tonight | 60°F | Chance Rain Showers | 5 to 10 mph S | 39% |
| Wednesday | 69°F | Rain Showers | 10 mph S | 85% |
| Wednesday Night | 48°F | Rain Showers Likely | 10 mph S | 63% |
| Thursday | 54°F | Rain Showers | 5 to 10 mph SW | 96% |
| Thursday Night | 37°F | Rain Showers | 5 to 10 mph N | 96% |
| Friday | 46°F | Rain Showers Likely | 10 mph NE | 56% |
| Friday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 34% |
| Saturday | 48°F | Mostly Sunny | 5 to 10 mph NW | 6% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 52°F | Slight Chance Rain Showers | 5 to 10 mph W | 23% |
| Sunday Night | 39°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 23% |
| Monday | 53°F | Partly Sunny | 5 to 15 mph W | 13% |
| Monday Night | 41°F | Partly Cloudy | 10 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Ironton (45.257, -85.193). Updated through the day.
Growing snapshot for Ironton
Last spring frost
May 1
First fall frost
Oct 28
Growing season
178 days
Hardiness zone
6a
More local growing data for Ironton: nearby ZIP 49720 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Charlevoix, Mi (2.8 mi from Ironton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.