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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.

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

WhenTempForecastWindPrecip
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

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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 Nov 4, 2026.