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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 65 in the afternoon. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Norwalk

WhenTempForecastWindPrecip
This Afternoon 67°F Rain Showers 14 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

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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.