Windsor, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Windsor, a village in Dane County, Wisconsin.
Today
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Southwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Windsor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph SW | 36% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph W | 81% |
| Wednesday | 75°F | Patchy Fog then Mostly Cloudy | 5 mph W | 40% |
| Wednesday Night | 57°F | Mostly Cloudy | 0 to 5 mph W | 12% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph W | 9% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 5% |
| Friday | 80°F | Sunny | 0 to 10 mph SW | 2% |
| Friday Night | 62°F | Mostly Clear | 5 mph SW | 5% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 13% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 10 mph SW | 31% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 49% |
| Monday | 82°F | Chance Rain Showers | 5 mph SW | 49% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 mph N | 43% |
Forecast source: National Weather Service (api.weather.gov) for Windsor (43.246, -89.282). Updated through the day.
Growing snapshot for Windsor
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
More local growing data for Windsor: nearby ZIP 53532 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Belleville
Black Earth
Blue Mounds
Cambridge
Cottage Grove
Cross Plains
Dane
Deerfield
DeForest
Fitchburg
Lake Ripley
Madison
Maple Bluff
Marshall
Mazomanie
McFarland
Middleton
Monona
Mount Horeb
Oregon
Rockdale
Shorewood Hills
Stoughton
Sun Prairie
Verona
Waunakee
Climate data from the nearest NOAA station, Arlington, Wi (3.9 mi from Windsor). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.