Iron Belt, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Iron Belt, a community in Iron County, Wisconsin.
This Afternoon
63°F
Cloudy
Cloudy, with a high near 63. East wind around 5 mph.
7-day forecast for Iron Belt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Cloudy | 5 mph E | 8% |
| Tonight | 46°F | Mostly Cloudy | 0 to 5 mph NE | 13% |
| Sunday | 60°F | Mostly Cloudy | 5 to 15 mph NE | 13% |
| Sunday Night | 37°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Monday | 58°F | Partly Sunny | 5 mph E | 0% |
| Monday Night | 34°F | Partly Cloudy then Patchy Frost | 5 mph E | 0% |
| Tuesday | 64°F | Areas Of Frost then Sunny | 5 mph E | 0% |
| Tuesday Night | 35°F | Mostly Clear | 5 mph E | 0% |
| Wednesday | 67°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 38°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 40°F | Partly Cloudy | 0 to 5 mph SE | 3% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Iron Belt (46.403, -90.319). Updated through the day.
Growing snapshot for Iron Belt
Last spring frost
May 24
First fall frost
Sep 28
Growing season
128 days
Hardiness zone
4a
More local growing data for Iron Belt: nearby ZIP 54536 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hurley, Wi (10.4 mi from Iron Belt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.