Hillcrest, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hillcrest, a village in Ogle County, Illinois.

Tonight

56°F

Rain Showers

Rain showers. Cloudy. Low around 56, with temperatures rising to around 59 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Hillcrest

When	Temp	Forecast	Wind	Precip
Tonight	56°F	Rain Showers	15 mph S	88%
Wednesday	59°F	Chance Rain Showers	15 mph SSW	44%
Wednesday Night	45°F	Slight Chance Rain Showers	15 mph SW	24%
Thursday	55°F	Chance Rain Showers	10 to 15 mph WSW	44%
Thursday Night	40°F	Chance Rain Showers	5 to 10 mph NW	41%
Friday	51°F	Slight Chance Rain Showers then Mostly Cloudy	10 mph N	18%
Friday Night	32°F	Partly Cloudy	0 to 10 mph NNW	2%
Saturday	52°F	Mostly Sunny	0 to 5 mph WNW	2%
Saturday Night	32°F	Partly Cloudy	0 to 5 mph WSW	4%
Sunday	57°F	Mostly Sunny	5 to 10 mph W	12%
Sunday Night	33°F	Mostly Clear	5 mph W	5%
Monday	61°F	Sunny	5 to 15 mph SW	2%
Monday Night	38°F	Mostly Clear	5 to 10 mph W	1%
Tuesday	62°F	Sunny	5 to 10 mph WNW	1%

Forecast source: National Weather Service (api.weather.gov) for Hillcrest (41.967, -89.063). Updated through the day.

Growing snapshot for Hillcrest

Last spring frost

Apr 26

First fall frost

Oct 13

Growing season

168 days

Hardiness zone

More local growing data for Hillcrest: nearby ZIP 61068 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

Baileyville Byron Creston Davis Junction Forreston Holcomb Kings Leaf River Monroe Center Mount Morris Oregon Polo Rochelle Stillman Valley

All Illinois locations ›

Climate data from the nearest NOAA station, Rochelle, Il (2.7 mi from Hillcrest). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.