Norwalk, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwalk, a village in Monroe County, Wisconsin.
Today
80°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of rain showers between 8am and 10am, then a chance of showers and thunderstorms between 10am and noon, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 76 in the afternoon. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Norwalk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 10 mph W | 47% |
| Tonight | 58°F | Chance Showers And Thunderstorms | 1 to 5 mph NW | 54% |
| Wednesday | 78°F | Partly Sunny | 0 to 5 mph NW | 5% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 3 mph SW | 1% |
| Thursday | 83°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 1 to 5 mph SW | 0% |
| Friday | 86°F | Sunny | 2 to 10 mph SW | 4% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph SW | 14% |
| Saturday | 87°F | Mostly Sunny | 5 to 8 mph SW | 10% |
| Saturday Night | 65°F | Partly Cloudy then Chance Rain Showers | 3 to 8 mph SW | 36% |
| Sunday | 87°F | Chance Rain Showers | 5 to 10 mph W | 36% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 1 to 7 mph S | 42% |
| Monday | 85°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 42% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 2 to 6 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for Norwalk (43.834, -90.627). Updated through the day.
Growing snapshot for Norwalk
Last spring frost
May 6
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
5a
More local growing data for Norwalk: nearby ZIP 54648 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cashton 3Nnw, Wi (8.8 mi from Norwalk). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.