East Brooklyn, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Brooklyn, a village in Grundy County, Illinois.
Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for East Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Chance Showers And Thunderstorms | 5 mph SE | 25% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 5 mph ESE | 80% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely | 0 to 5 mph SSW | 83% |
| Sunday | 74°F | Showers And Thunderstorms Likely | 5 to 15 mph N | 70% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 47% |
| Monday | 67°F | Rain Showers Likely | 10 to 15 mph ENE | 56% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 46% |
| Tuesday | 66°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 17% |
| Wednesday | 69°F | Mostly Sunny | 5 to 10 mph NNE | 8% |
| Wednesday Night | 54°F | Mostly Cloudy | 0 to 5 mph NNE | 1% |
| Thursday | 71°F | Partly Sunny | 5 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for East Brooklyn (41.173, -88.265). Updated through the day.
Growing snapshot for East Brooklyn
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
5b
More local growing data for East Brooklyn: nearby ZIP 60474 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Braceville
Carbon Hill
Coal City
Diamond
Gardner
Godley
Kinsman
Mazon
Morris
South Wilmington
Verona
Climate data from the nearest NOAA station, Dwight, Il (8.9 mi from East Brooklyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.