Alto, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alto, a community in Fond Du Lac County, Wisconsin.
This Afternoon
62°F
Slight Chance Light Rain
A chance of rain showers before 4pm, then a slight chance of rain between 4pm and 5pm, then a chance of rain showers. Cloudy. High near 62, with temperatures falling to around 54 in the afternoon. Southwest wind around 15 mph. Chance of precipitation is 20%.
7-day forecast for Alto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Slight Chance Light Rain | 15 mph SW | 17% |
| Tonight | 45°F | Chance Rain Showers then Light Rain Likely | 10 to 15 mph SW | 60% |
| Thursday | 51°F | Light Rain | 10 to 15 mph W | 76% |
| Thursday Night | 34°F | Mostly Cloudy | 10 to 15 mph N | 3% |
| Friday | 46°F | Partly Sunny | 5 to 15 mph N | 1% |
| Friday Night | 24°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 to 10 mph NW | 0% |
| Tuesday Night | 34°F | Partly Cloudy | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Alto (43.668, -88.792). Updated through the day.
Growing snapshot for Alto
Last spring frost
May 1
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
5a
More local growing data for Alto: nearby ZIP 53963 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Brandon
Brothertown
Campbellsport
Eden
Fairwater
Fond du Lac
Mount Calvary
North Fond du Lac
Oakfield
Ripon
Rosendale
St. Cloud
St. Peter
Taycheedah
Van Dyne
Waupun
Climate data from the nearest NOAA station, Town Of Westford, Wi (13.4 mi from Alto). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.