Wonder Lake, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wonder Lake, a village in Mchenry County, Illinois.
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 70. East wind 10 to 15 mph. Chance of precipitation is 40%.
7-day forecast for Wonder Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 10 to 15 mph E | 40% |
| Tonight | 60°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 to 15 mph E | 76% |
| Saturday | 74°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph ESE | 96% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday | 66°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 69% |
| Sunday Night | 54°F | Chance Rain Showers | 15 mph ENE | 42% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 39% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 15 mph ENE | 39% |
| Tuesday | 61°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph NNE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Wonder Lake (42.383, -88.350). Updated through the day.
Growing snapshot for Wonder Lake
Last spring frost
May 1
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
5b
More local growing data for Wonder Lake: nearby ZIP 60097 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
Lake in the Hills
Lakemoor
Lakewood
Lawrence
Marengo
McCullom Lake
McHenry
Oakwood Hills
Prairie Grove
Richmond
Ridgefield
Riley
Ringwood
Solon Mills
Climate data from the nearest NOAA station, Mc Henry -Wg Stratton L&D, Il (8.6 mi from Wonder Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.