Alto, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alto, a community in Fond Du Lac County, Wisconsin.
Today
65°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 65. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Alto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Showers And Thunderstorms | 10 mph E | 78% |
| Tonight | 56°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 73% |
| Sunday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NE | 19% |
| Sunday Night | 48°F | Mostly Cloudy | 10 to 15 mph NE | 8% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 8% |
| Monday Night | 44°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Tuesday | 61°F | Mostly Sunny | 10 to 15 mph NE | 3% |
| Tuesday Night | 44°F | Mostly Clear | 5 to 10 mph NE | 2% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 66°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Friday Night | 47°F | Partly Cloudy | 0 to 5 mph E | 2% |
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 Sep 19, 2026.