Norwalk, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwalk, a village in Monroe County, Wisconsin.
This Afternoon
67°F
Rain Showers
Rain showers. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. South wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Norwalk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 9 mph S | 84% |
| Tonight | 54°F | Rain Showers | 12 mph S | 90% |
| Wednesday | 57°F | Rain Showers | 9 to 14 mph S | 83% |
| Wednesday Night | 43°F | Rain Showers | 14 mph SW | 82% |
| Thursday | 51°F | Rain Showers | 12 mph NW | 76% |
| Thursday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph N | 16% |
| Friday | 49°F | Partly Sunny | 2 to 9 mph N | 2% |
| Friday Night | 28°F | Partly Cloudy | 1 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 32°F | Partly Cloudy | 3 mph W | 9% |
| Sunday | 58°F | Slight Chance Rain Showers | 3 to 9 mph W | 16% |
| Sunday Night | 33°F | Mostly Clear | 3 mph SW | 3% |
| Monday | 61°F | Mostly Sunny | 3 to 13 mph SW | 1% |
| Monday Night | 37°F | Partly Cloudy | 7 mph W | 1% |
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 Nov 4, 2026.