Montello, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montello, a city in Marquette County, Wisconsin.
Overnight
56°F
Light Rain Likely
Rain likely. Cloudy. Low around 56, with temperatures rising to around 61 overnight. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Montello
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Light Rain Likely | 10 mph S | 70% |
| Wednesday | 60°F | Chance Light Rain | 10 to 15 mph S | 26% |
| Wednesday Night | 46°F | Light Rain | 10 to 15 mph SW | 76% |
| Thursday | 53°F | Light Rain Likely | 10 mph NW | 67% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph N | 8% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 to 5 mph W | 3% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 61°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph W | 0% |
| Tuesday | 60°F | Sunny | 5 mph NW | 1% |
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 4, 2026.