Montreal, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montreal, a city in Iron County, Wisconsin.
Today
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Montreal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 5 to 10 mph NW | 11% |
| Tonight | 51°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Wednesday | 75°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 82°F | Sunny | 10 to 15 mph SW | 3% |
| Thursday Night | 61°F | Mostly Clear | 10 mph SW | 4% |
| Friday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 18% |
| Friday Night | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Saturday | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 23% |
| Saturday Night | 58°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Sunday | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Monday | 75°F | Slight Chance Rain Showers | 0 to 5 mph W | 20% |
| Monday Night | 55°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Montreal (46.433, -90.242). Updated through the day.
Growing snapshot for Montreal
Last spring frost
May 24
First fall frost
Sep 28
Growing season
128 days
Hardiness zone
4b
More local growing data for Montreal: nearby ZIP 54525 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hurley, Wi (2.4 mi from Montreal). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.