Manitowoc, WI Weather & Growing Conditions
Today
84°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of rain showers between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 84, with temperatures falling to around 81 in the afternoon. Heat index values as high as 87. South southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 15 mph SSW | 52% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 5 to 12 mph WSW | 78% |
| Wednesday | 77°F | Showers And Thunderstorms Likely then Mostly Cloudy | 6 mph WNW | 60% |
| Wednesday Night | 58°F | Mostly Cloudy | 1 to 6 mph WSW | 5% |
| Thursday | 79°F | Sunny | 1 to 8 mph SSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 3 to 7 mph SSW | 0% |
| Friday | 82°F | Sunny | 3 to 13 mph SSW | 1% |
| 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 SW | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 10 mph SSW | 38% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 to 12 mph WSW | 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% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 8 mph NNE | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Manitowoc, WI
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
171 days
Hardiness zone
5b
Explore more for Manitowoc, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Manitowoc, Wi (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.