Norwalk, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwalk, a village in Monroe County, Wisconsin.
Today
62°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Cloudy, with a high near 62. East wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Norwalk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 8 mph E | 91% |
| Tonight | 52°F | Showers And Thunderstorms Likely | 8 mph NE | 58% |
| Sunday | 66°F | Partly Sunny | 8 to 13 mph NE | 11% |
| Sunday Night | 46°F | Mostly Cloudy | 10 mph NE | 3% |
| Monday | 64°F | Mostly Cloudy | 8 to 12 mph E | 7% |
| Monday Night | 42°F | Mostly Cloudy | 3 to 8 mph NE | 7% |
| Tuesday | 63°F | Mostly Sunny | 3 to 9 mph E | 7% |
| Tuesday Night | 41°F | Mostly Clear | 1 to 6 mph E | 2% |
| Wednesday | 67°F | Sunny | 2 to 6 mph E | 2% |
| Wednesday Night | 44°F | Mostly Clear | 0 to 3 mph NE | 2% |
| Thursday | 68°F | Mostly Sunny | 0 to 3 mph NE | 5% |
| Thursday Night | 46°F | Partly Cloudy | 2 mph NE | 4% |
| Friday | 71°F | Mostly Sunny | 0 to 3 mph E | 2% |
| Friday Night | 47°F | Partly Cloudy | 2 mph E | 2% |
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 Sep 19, 2026.