Blue Island, IL Weather & Growing Conditions
This Afternoon
73°F
Chance Rain
A chance of rain. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Rain | 15 to 20 mph S | 31% |
| Tonight | 61°F | Rain Likely | 15 mph S | 74% |
| Wednesday | 65°F | Rain Likely then Mostly Cloudy | 15 mph SSW | 69% |
| Wednesday Night | 49°F | Mostly Cloudy | 15 mph SW | 12% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Rain | 10 to 15 mph WSW | 22% |
| Thursday Night | 44°F | Chance Rain | 5 to 10 mph WNW | 47% |
| Friday | 54°F | Chance Rain | 10 mph N | 38% |
| Friday Night | 39°F | Slight Chance Rain then Mostly Cloudy | 5 to 10 mph NNW | 18% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 12% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph WSW | 6% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 14% |
| Sunday Night | 38°F | Mostly Clear | 5 to 10 mph WNW | 11% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 7% |
| Monday Night | 42°F | Mostly Clear | 5 to 10 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blue Island, IL
Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
203 days
Hardiness zone
6a
Explore more for Blue Island, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Chicago Midway Ap 3Sw, Il (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.