Brookfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brookfield, a village in Cook County, Illinois.
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. South wind around 5 mph.
7-day forecast for Brookfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 86°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Tuesday Night | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 20% |
| Wednesday | 81°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph WSW | 66% |
| Wednesday Night | 67°F | Showers And Thunderstorms | 5 mph W | 90% |
| Thursday | 79°F | Rain Showers Likely | 0 to 5 mph NE | 74% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 30% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SSW | 9% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 18% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 18% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 42% |
| Monday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 42% |
Forecast source: National Weather Service (api.weather.gov) for Brookfield (41.825, -87.848). Updated through the day.
Growing snapshot for Brookfield
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
6a
More local growing data for Brookfield: nearby ZIP 60513 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Midway Ap, Il (5.6 mi from Brookfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.