Highland Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland Park, a city in Lake County, Illinois.
Tonight
62°F
Slight Chance Rain Showers then Showers And Thunderstorms Likely
A slight chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Highland Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 15 mph E | 60% |
| Saturday | 73°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph SE | 92% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 10 to 15 mph E | 80% |
| Sunday | 67°F | Showers And Thunderstorms | 15 to 25 mph NNE | 75% |
| Sunday Night | 58°F | Chance Rain Showers | 20 mph NE | 48% |
| Monday | 64°F | Chance Rain Showers | 20 to 25 mph ENE | 43% |
| Monday Night | 55°F | Chance Rain Showers | 15 to 20 mph ENE | 32% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 20% |
| Wednesday | 65°F | Mostly Cloudy | 10 mph NE | 12% |
| Wednesday Night | 56°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 7% |
| Thursday Night | 57°F | Mostly Cloudy | 5 mph NNE | 5% |
| Friday | 68°F | Mostly Sunny | 5 mph NNE | 5% |
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
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Buffalo Grove
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Deer Park
Deerfield
Forest Lake
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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 Sep 19, 2026.