Buffalo Grove, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo Grove, a village in Lake County, Illinois.
Tonight
60°F
Rain
Rain. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Buffalo Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Rain | 15 mph S | 80% |
| Wednesday | 64°F | Rain Likely then Rain Showers Likely | 15 mph SSW | 60% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SW | 19% |
| Thursday | 57°F | Chance Rain Showers | 10 to 15 mph WSW | 34% |
| Thursday Night | 42°F | Rain Showers Likely | 5 to 10 mph WNW | 57% |
| Friday | 52°F | Chance Rain Showers | 10 to 15 mph N | 32% |
| Friday Night | 36°F | Mostly Cloudy | 5 to 10 mph NNW | 10% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph WNW | 8% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph WSW | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 17% |
| Sunday Night | 37°F | Mostly Clear | 5 mph WNW | 9% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph WSW | 4% |
| Monday Night | 41°F | Partly Cloudy | 5 to 10 mph W | 2% |
| Tuesday | 61°F | Mostly Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Buffalo Grove (42.166, -87.962). Updated through the day.
Growing snapshot for Buffalo Grove
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
6a
More local growing data for Buffalo Grove: nearby ZIP 60089 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Antioch
Bannockburn
Beach Park
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 (4.4 mi from Buffalo Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.