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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

WhenTempForecastWindPrecip
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

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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.