West Brooklyn, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Brooklyn, a village in Lee County, Illinois.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
7-day forecast for West Brooklyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 83°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tuesday Night | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 45% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 5 mph WSW | 71% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 5 mph N | 85% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 5 mph ENE | 55% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph ESE | 17% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SE | 7% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SSW | 9% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 17% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SSW | 17% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 10 mph S | 33% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph SSW | 33% |
Forecast source: National Weather Service (api.weather.gov) for West Brooklyn (41.693, -89.147). Updated through the day.
Growing snapshot for West Brooklyn
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
167 days
Hardiness zone
5b
More local growing data for West Brooklyn: nearby ZIP 61378 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Amboy
Ashton
Compton
Dixon
Franklin Grove
Grand Detour
Harmon
Lee
Lee Center
Lost Nation
Nachusa
Nelson
Paw Paw
Steward
Sublette
Climate data from the nearest NOAA station, Compton 1 Nw, Il (3.1 mi from West Brooklyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.