Big Rock, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Rock, a village in Kane County, Illinois.
Today
78°F
Showers And Thunderstorms
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 78. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Big Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Showers And Thunderstorms | 5 to 10 mph SE | 80% |
| Tonight | 64°F | Showers And Thunderstorms | 5 to 10 mph E | 96% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 61% |
| Sunday Night | 56°F | Chance Rain Showers | 15 mph NE | 35% |
| Monday | 65°F | Chance Rain Showers | 15 mph ENE | 41% |
| Monday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 25% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 18% |
| Tuesday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Wednesday | 66°F | Mostly Sunny | 10 to 15 mph NE | 6% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 51°F | Partly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Big Rock (41.767, -88.526). Updated through the day.
Growing snapshot for Big Rock
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
5b
More local growing data for Big Rock: nearby ZIP 60511 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Aurora
Batavia
Burlington
Campton Hills
Carpentersville
East Dundee
Elburn
Elgin
Geneva
Gilberts
Hampshire
Kaneville
Lily Lake
Maple Park
North Aurora
Pingree Grove
Prestbury
Sleepy Hollow
South Elgin
St. Charles
Sugar Grove
Virgil
West Dundee
Climate data from the nearest NOAA station, Chicago Aurora Muni Ap, Il (3.7 mi from Big Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.