Norwalk, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwalk, a village in Monroe County, Wisconsin.
Tonight
54°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 54. East wind 12 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
7-day forecast for Norwalk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Showers And Thunderstorms | 12 to 16 mph E | 98% |
| Saturday | 69°F | Showers And Thunderstorms | 7 to 13 mph E | 79% |
| Saturday Night | 52°F | Showers And Thunderstorms Likely | 6 to 9 mph NE | 71% |
| Sunday | 68°F | Partly Sunny | 9 to 13 mph NE | 13% |
| Sunday Night | 47°F | Mostly Cloudy | 10 mph NE | 4% |
| Monday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 12 mph E | 22% |
| Monday Night | 44°F | Slight Chance Rain Showers | 5 to 9 mph NE | 22% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph E | 20% |
| Tuesday Night | 42°F | Partly Cloudy | 1 to 5 mph NE | 4% |
| Wednesday | 66°F | Sunny | 1 to 6 mph E | 2% |
| Wednesday Night | 46°F | Partly Cloudy | 2 mph E | 3% |
| Thursday | 69°F | Mostly Sunny | 2 mph E | 6% |
| Thursday Night | 48°F | Partly Cloudy | 1 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 3 mph NE | 3% |
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.