North Chicago, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Chicago, a city in Lake County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear. Low around 63, with temperatures rising to around 66 overnight. South southwest wind around 5 mph.
7-day forecast for North Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 5 mph SSW | 0% |
| Tuesday | 82°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Tuesday Night | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 42% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 5 mph W | 74% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 5 mph W | 83% |
| Thursday | 76°F | Rain Showers Likely | 5 mph NNE | 56% |
| Thursday Night | 63°F | Partly Cloudy | 0 to 5 mph S | 14% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 15% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Sunday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Monday | 80°F | Chance Showers And Thunderstorms | 5 mph SSW | 47% |
Forecast source: National Weather Service (api.weather.gov) for North Chicago (42.317, -87.859). Updated through the day.
Growing snapshot for North Chicago
Last spring frost
Apr 30
First fall frost
Oct 19
Growing season
170 days
Hardiness zone
6a
More local growing data for North Chicago: nearby ZIP 60064 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Antioch
Bannockburn
Beach Park
Buffalo Grove
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
Climate data from the nearest NOAA station, Waukegan, Il (2.1 mi from North Chicago). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.