Cary, IL Weather & Growing Conditions
Tonight
59°F
Rain
Rain. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Rain | 15 mph S | 83% |
| Wednesday | 62°F | Rain Likely then Rain Showers Likely | 15 mph SSW | 60% |
| Wednesday Night | 47°F | Slight Chance Rain Showers | 15 mph SW | 20% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 39% |
| Thursday Night | 41°F | Chance Rain Showers | 5 to 10 mph NW | 49% |
| Friday | 51°F | Slight Chance Rain Showers | 10 to 15 mph N | 24% |
| Friday Night | 34°F | Mostly Cloudy | 0 to 5 mph NNW | 4% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph WNW | 6% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph WSW | 7% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain | 5 mph W | 17% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 7% |
| Monday | 59°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 2% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cary, IL
Last spring frost
May 1
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
5b
Explore more for Cary, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Mc Henry -Wg Stratton L&D, Il (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.