Wonder Lake, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wonder Lake, a village in Mchenry County, Illinois.
Today
63°F
Slight Chance Drizzle then Slight Chance Rain Showers
A slight chance of drizzle before 1pm, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Wonder Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Slight Chance Drizzle then Slight Chance Rain Showers | 15 mph SW | 7% |
| Tonight | 45°F | Slight Chance Rain Showers then Slight Chance Rain | 10 to 15 mph SW | 16% |
| Thursday | 54°F | Rain Likely | 10 to 15 mph W | 64% |
| Thursday Night | 36°F | Chance Rain then Mostly Cloudy | 10 mph N | 28% |
| Friday | 48°F | Partly Sunny | 10 to 15 mph NNW | 1% |
| Friday Night | 32°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 0 to 5 mph WSW | 1% |
| Tuesday | 60°F | Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 0 mph | 0% |
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 Nov 4, 2026.