Iron Belt, WI Weather & Growing Conditions
Overnight
47°F
Mostly Cloudy
Mostly cloudy. Low around 47, with temperatures rising to around 52 overnight. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 5 mph E | 13% |
| Saturday | 60°F | Slight Chance Rain Showers | 5 mph E | 21% |
| Saturday Night | 45°F | Patchy Fog then Mostly Cloudy | 0 to 5 mph NE | 12% |
| Sunday | 60°F | Partly Sunny | 5 to 10 mph NE | 7% |
| Sunday Night | 35°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 59°F | Partly Sunny | 5 mph E | 0% |
| Monday Night | 36°F | Mostly Clear | 0 to 5 mph E | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 38°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Thursday Night | 40°F | Partly Cloudy | 0 to 5 mph SE | 3% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Iron Belt, WI
Last spring frost
May 24
First fall frost
Sep 28
Growing season
128 days
Hardiness zone
4a
Explore more for Iron Belt, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Hurley, Wi (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.