Bannockburn, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bannockburn, a village in Lake County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Bannockburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Tonight | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Wednesday | 78°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph W | 73% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 0 to 5 mph NNW | 86% |
| Thursday | 77°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 60% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 16% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph SSE | 8% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 15% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 47% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 mph W | 49% |
Forecast source: National Weather Service (api.weather.gov) for Bannockburn (42.192, -87.870). Updated through the day.
Growing snapshot for Bannockburn
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
6a
More local growing data for Bannockburn: nearby ZIP 60015 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Antioch
Beach Park
Buffalo Grove
Burtons Bridge
Deer Park
Deerfield
Forest Lake
Fox Lake
Fox Lake Hills
Gages Lake
Grandwood Park
Grayslake
Green Oaks
Gurnee
Hainesville
Hawthorn Woods
Highland Park
Highwood
Holiday Hills
Indian Creek
Island Lake
Kildeer
Knollwood
Lake Bluff
Lake Forest
Lake Villa
Lake Zurich
Libertyville
Lincolnshire
Lindenhurst
Climate data from the nearest NOAA station, Chicago Palwaukee Ap, Il (3.9 mi from Bannockburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.