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.
Today
76°F
Showers And Thunderstorms
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers and thunderstorms likely. Cloudy. High near 76, with temperatures falling to around 73 in the afternoon. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Lake in the Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms | 5 to 10 mph SSE | 98% |
| Tonight | 62°F | Showers And Thunderstorms | 5 to 10 mph ENE | 94% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 56% |
| Sunday Night | 55°F | Slight Chance Rain Showers | 15 mph NE | 18% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 27% |
| Monday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 17% |
| Tuesday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 15 mph NE | 6% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 mph NNE | 3% |
| Thursday | 66°F | Partly Sunny | 5 mph NE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
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
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Crystal Lake
Fox River Grove
Franklinville
Greenwood
Harmony
Hartland
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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 Sep 19, 2026.