Blue Island, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Island, a city in Cook County, Illinois.
Overnight
61°F
Rain Showers
Rain showers. Cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Blue Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Rain Showers | 15 mph S | 81% |
| Wednesday | 64°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SSW | 41% |
| Wednesday Night | 49°F | Patchy Drizzle then Mostly Cloudy | 15 mph SW | 11% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 43°F | Rain Showers Likely | 10 mph NW | 62% |
| Friday | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NNW | 23% |
| Friday Night | 38°F | Partly Cloudy | 5 to 10 mph NNW | 6% |
| Saturday | 52°F | Mostly Sunny | 5 mph NW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 38°F | Mostly Clear | 5 mph W | 2% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 42°F | Mostly Clear | 5 to 10 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Blue Island (41.658, -87.681). Updated through the day.
Growing snapshot for Blue Island
Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
203 days
Hardiness zone
6a
More local growing data for Blue Island: nearby ZIP 60406 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Midway Ap 3Sw, Il (7.5 mi from Blue Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.