Bonnie Brae, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonnie Brae, a community in Will County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.
7-day forecast for Bonnie Brae
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 to 10 mph SSW | 6% |
| Tonight | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 19% |
| Wednesday | 81°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 61% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph WSW | 90% |
| Thursday | 79°F | Chance Showers And Thunderstorms | 5 mph SE | 76% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 33% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SSW | 11% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 16% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 16% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 38% |
| Monday | 86°F | Chance Rain Showers | 5 to 10 mph SSW | 38% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 10 mph SSE | 43% |
Forecast source: National Weather Service (api.weather.gov) for Bonnie Brae (41.600, -88.034). Updated through the day.
Growing snapshot for Bonnie Brae
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
6a
More local growing data for Bonnie Brae: nearby ZIP 60441 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Romeoville Wfo, Il (1.9 mi from Bonnie Brae). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.