East Brooklyn, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Brooklyn, a village in Grundy County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South wind around 5 mph, with gusts as high as 10 mph.
7-day forecast for East Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 mph S | 5% |
| Tonight | 66°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph W | 89% |
| Thursday | 81°F | Showers And Thunderstorms | 0 to 5 mph S | 78% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Friday | 83°F | Mostly Sunny | 0 mph | 6% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 10% |
| Saturday | 86°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Saturday Night | 70°F | Mostly Clear | 0 to 5 mph SSW | 11% |
| Sunday | 88°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 28% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 28% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph WSW | 38% |
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 Aug 4, 2026.