Blue Island, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Island, a city in Cook County, Illinois.
Today
64°F
Scattered Rain Showers then Patchy Drizzle
Scattered rain showers before 10am, then patchy drizzle and isolated rain showers. Mostly cloudy. High near 64, with temperatures falling to around 57 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Blue Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SW | 27% |
| Tonight | 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% |
| Tuesday Night | 42°F | Partly Cloudy | 0 to 5 mph WNW | 2% |
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.