Brooklyn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brooklyn, a village in Green County, Wisconsin.
This Afternoon
67°F
Rain Showers
Rain showers. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 15 mph S | 79% |
| Tonight | 57°F | Rain Showers | 15 mph S | 93% |
| Wednesday | 59°F | Rain Showers Likely | 10 to 15 mph SW | 65% |
| Wednesday Night | 46°F | Chance Rain Showers then Chance Light Rain | 15 mph SW | 45% |
| Thursday | 54°F | Light Rain Likely | 10 to 15 mph W | 73% |
| Thursday Night | 40°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 30% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 10 to 15 mph N | 17% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 6% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 35°F | Mostly Clear | 5 to 10 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 10 mph W | 1% |
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 Nov 4, 2026.