Brooklyn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brooklyn, a village in Green County, Wisconsin.
Today
71°F
Showers And Thunderstorms
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms. Cloudy, with a high near 71. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Showers And Thunderstorms | 5 to 10 mph SE | 95% |
| Tonight | 59°F | Showers And Thunderstorms | 5 to 15 mph E | 83% |
| Sunday | 65°F | Rain Showers Likely | 15 mph NE | 64% |
| Sunday Night | 52°F | Mostly Cloudy | 15 mph NE | 13% |
| Monday | 62°F | Slight Chance Rain Showers | 15 mph NE | 18% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 18% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 10% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 5 mph NE | 4% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph E | 3% |
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 Sep 19, 2026.