Manitowoc, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manitowoc, a city in Manitowoc County, Wisconsin.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South southwest wind around 7 mph.
7-day forecast for Manitowoc
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 7 mph SSW | 0% |
| Tuesday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 to 15 mph SSW | 32% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 5 to 12 mph W | 86% |
| Wednesday | 77°F | Chance Rain Showers | 6 mph NNE | 26% |
| Wednesday Night | 61°F | Chance Rain Showers | 1 to 5 mph SSW | 17% |
| Thursday | 79°F | Slight Chance Rain Showers then Sunny | 2 to 7 mph E | 6% |
| Thursday Night | 62°F | Mostly Clear | 6 mph SSW | 2% |
| Friday | 83°F | Sunny | 5 to 13 mph SSW | 0% |
| Friday Night | 65°F | Mostly Clear | 8 to 12 mph SSW | 6% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 8 to 13 mph SSW | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 10 mph SSW | 38% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 7 to 12 mph SW | 38% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 to 9 mph WSW | 50% |
| Monday | 80°F | Chance Rain Showers | 5 to 9 mph ESE | 33% |
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
Nearby towns & communities
Clarks Mills
Cleveland
Collins
Francis Creek
Kellnersville
Maribel
Mishicot
Reedsville
St. Nazianz
Two Rivers
Valders
Whitelaw
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 Aug 4, 2026.