Highland Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland Park, a city in Lake County, Illinois.
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. South southwest wind around 10 mph.
7-day forecast for Highland Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 10 mph SSW | 0% |
| Tonight | 70°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 34% |
| Wednesday | 77°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph W | 73% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph NW | 87% |
| Thursday | 75°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 5 mph NNE | 62% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 16% |
| Friday | 78°F | Mostly Sunny | 0 to 5 mph NW | 3% |
| Friday Night | 67°F | Mostly Clear | 0 to 5 mph SSE | 8% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 15% |
| Saturday Night | 71°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 | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Monday | 83°F | Chance Showers And Thunderstorms | 5 mph SSW | 47% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph W | 49% |
Forecast source: National Weather Service (api.weather.gov) for Highland Park (42.182, -87.811). Updated through the day.
Growing snapshot for Highland Park
Last spring frost
Apr 26
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6a
More local growing data for Highland Park: nearby ZIP 60035 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Antioch
Bannockburn
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Buffalo Grove
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Deer Park
Deerfield
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Fox Lake Hills
Gages Lake
Grandwood Park
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Green Oaks
Gurnee
Hainesville
Hawthorn Woods
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 Botanic Garden, Il (3.3 mi from Highland Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.