Itasca, IL Weather & Growing Conditions
This Afternoon
73°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 73. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Showers And Thunderstorms Likely | 5 mph ESE | 64% |
| Tonight | 63°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph ENE | 95% |
| Sunday | 69°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 61% |
| Sunday Night | 57°F | Chance Rain Showers | 15 mph NE | 26% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 27% |
| Monday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 21% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 15 mph NE | 9% |
| Wednesday | 64°F | Partly Sunny | 10 mph NE | 14% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 54°F | Mostly Cloudy | 5 mph NNE | 4% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Itasca, IL
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6a
Explore more for Itasca, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Chicago Ohare Intl Ap, Il (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.