Buffalo Grove, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo Grove, a village in Lake County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Southwest wind around 10 mph.
7-day forecast for Buffalo Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 10 mph SW | 0% |
| Tonight | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 40% |
| Wednesday | 79°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph WSW | 74% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 0 to 5 mph NW | 85% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 58% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 17% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph NNE | 3% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph SSE | 7% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 21% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 46% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 46% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph W | 48% |
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
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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 Aug 4, 2026.