Brooklyn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brooklyn, a village in Green County, Wisconsin.
Today
83°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. South wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 24% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 88% |
| Wednesday | 74°F | Patchy Fog | 5 mph NW | 57% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 33% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph NE | 20% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 4% |
| Friday | 81°F | Mostly Sunny | 0 to 10 mph S | 3% |
| Friday Night | 63°F | Mostly Clear | 5 mph SW | 4% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 13% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 29% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 48% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
Forecast source: National Weather Service (api.weather.gov) for Brooklyn (42.850, -89.376). Updated through the day.
Growing snapshot for Brooklyn
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
5b
More local growing data for Brooklyn: nearby ZIP 53521 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stoughton, Wi (10.7 mi from Brooklyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.