East Brooklyn, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Brooklyn, a village in Grundy County, Illinois.
This Afternoon
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny, with a high near 77. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for East Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Showers And Thunderstorms Likely | 10 mph E | 60% |
| Tonight | 65°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph ESE | 27% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 66% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely | 5 mph WSW | 77% |
| Sunday | 73°F | Showers And Thunderstorms | 5 to 15 mph NNE | 77% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 71% |
| Monday | 68°F | Showers And Thunderstorms Likely | 10 to 15 mph ENE | 63% |
| Monday Night | 53°F | Chance Rain Showers | 5 to 15 mph NE | 35% |
| Tuesday | 66°F | Slight Chance Rain Showers | 5 to 10 mph NE | 24% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph NNE | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
| Thursday | 71°F | Partly Sunny | 0 to 5 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NNE | 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 18, 2026.