Lake in the Hills, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake in the Hills, a village in Mchenry County, Illinois.
Overnight
59°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lake in the Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Chance Rain Showers | 15 mph S | 37% |
| Wednesday | 63°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SSW | 28% |
| Wednesday Night | 47°F | Patchy Drizzle | 15 mph SW | 16% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 39°F | Chance Rain Showers then Cloudy | 10 mph NNW | 50% |
| Friday | 49°F | Mostly Cloudy | 10 to 15 mph NNW | 12% |
| Friday Night | 32°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lake in the Hills (42.179, -88.315). Updated through the day.
Growing snapshot for Lake in the Hills
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
5b
More local growing data for Lake in the Hills: nearby ZIP 60102 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Algonquin
Bull Valley
Cary
Chemung
Coral
Crystal Lake
Fox River Grove
Franklinville
Greenwood
Harmony
Hartland
Harvard
Hebron
Huntley
Johnsburg
Lake Barrington
Lakemoor
Lakewood
Lawrence
Marengo
McCullom Lake
McHenry
Oakwood Hills
Prairie Grove
Richmond
Ridgefield
Riley
Ringwood
Solon Mills
Spring Grove
Climate data from the nearest NOAA station, Elgin, Il (7 mi from Lake in the Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.