Hillcrest, IL Weather & Growing Conditions
Overnight
55°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 55, with temperatures rising to around 59 overnight. South wind around 15 mph, with gusts as high as 25 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 |
|---|---|---|---|---|
| Overnight | 55°F | Rain Showers Likely | 15 mph S | 56% |
| Wednesday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SW | 18% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 15 mph SW | 19% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 50% |
| Thursday Night | 38°F | Chance Rain Showers then Mostly Cloudy | 10 mph NW | 28% |
| Friday | 49°F | Partly Sunny | 10 to 15 mph N | 5% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 0% |
| Tuesday | 62°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hillcrest, IL
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
5b
Explore more for Hillcrest, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Rochelle, Il (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.