Norwalk, WI Weather & Growing Conditions
Today
62°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 62. East wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Showers And Thunderstorms | 7 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). Updated through the day.
Growing snapshot for Norwalk, WI
Last spring frost
May 6
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
5a
Explore more for Norwalk, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Cashton 3Nnw, Wi (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.