Grandwood Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grandwood Park, a community 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 Grandwood Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Tonight | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 74% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph WNW | 78% |
| Thursday | 78°F | Chance Rain Showers | 0 to 5 mph N | 51% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NE | 13% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SSW | 3% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph WSW | 47% |
| Monday | 83°F | Chance Rain Showers | 5 mph SSW | 47% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 mph WSW | 48% |
Forecast source: National Weather Service (api.weather.gov) for Grandwood Park (42.392, -87.989). Updated through the day.
Growing snapshot for Grandwood Park
Last spring frost
Apr 30
First fall frost
Oct 19
Growing season
170 days
Hardiness zone
6a
More local growing data for Grandwood Park: nearby ZIP 60031 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Antioch
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Buffalo Grove
Burtons Bridge
Deer Park
Deerfield
Forest Lake
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Fox Lake Hills
Gages Lake
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, Waukegan, Il (3.3 mi from Grandwood Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.