Montello, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montello, a city in Marquette County, Wisconsin.
This Afternoon
69°F
Chance Light Rain
A chance of rain. Cloudy, with a high near 69. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Montello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Light Rain | 15 mph S | 42% |
| Tonight | 55°F | Light Rain | 10 mph S | 95% |
| Wednesday | 62°F | Light Rain | 10 to 15 mph S | 80% |
| Wednesday Night | 45°F | Light Rain Likely | 5 to 10 mph SW | 64% |
| Thursday | 54°F | Light Rain | 5 to 10 mph W | 84% |
| Thursday Night | 36°F | Chance Light Rain then Cloudy | 10 mph N | 25% |
| Friday | 49°F | Slight Chance Light Rain then Partly Sunny | 5 to 10 mph N | 16% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 58°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 37°F | Partly Cloudy | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Montello (43.794, -89.333). Updated through the day.
Growing snapshot for Montello
Last spring frost
May 3
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
5a
More local growing data for Montello: nearby ZIP 53949 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Montello, Wi (1.1 mi from Montello). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.