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
64°F
Patchy Drizzle
Patchy drizzle and isolated rain showers. Mostly cloudy. High near 64, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bonnie Brae
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Patchy Drizzle | 15 mph SW | 22% |
| Tonight | 48°F | Patchy Drizzle then Mostly Cloudy | 15 mph SW | 10% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 42°F | Chance Rain Showers | 10 mph NW | 48% |
| Friday | 51°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph NNW | 16% |
| Friday Night | 36°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 52°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph WSW | 1% |
| Tuesday | 62°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 5 mph NW | 0% |
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 Nov 4, 2026.