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Manitowoc, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Manitowoc, a city in Manitowoc County, Wisconsin.

Tonight
57°F
Rain Showers
A chance of rain showers before 8pm, then rain showers and areas of fog. Cloudy, with a low around 57. South southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Manitowoc

WhenTempForecastWindPrecip
Tonight 57°F Rain Showers 13 mph SSE 78%
Wednesday 62°F Rain Showers 13 to 16 mph S 81%
Wednesday Night 47°F Cloudy then Rain Showers Likely 15 mph SW 56%
Thursday 54°F Rain Showers 9 to 13 mph W 82%
Thursday Night 39°F Rain Showers Likely 13 to 18 mph N 58%
Friday 47°F Chance Rain Showers 14 to 20 mph N 37%
Friday Night 34°F Mostly Cloudy 5 to 12 mph NNW 7%
Saturday 49°F Mostly Sunny 7 mph WNW 4%
Saturday Night 35°F Partly Cloudy 3 to 7 mph W 9%
Sunday 54°F Mostly Sunny 7 to 12 mph WNW 14%
Sunday Night 36°F Partly Cloudy 9 mph WNW 8%
Monday 56°F Mostly Sunny 7 to 13 mph WSW 2%
Monday Night 41°F Partly Cloudy 10 mph W 2%
Tuesday 56°F Mostly Sunny 8 to 13 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Manitowoc (44.098, -87.679). Updated through the day.

Growing snapshot for Manitowoc

Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
171 days
Hardiness zone
5b

More local growing data for Manitowoc: nearby ZIP 54220 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Manitowoc, Wi (3.6 mi from Manitowoc). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.