Spring Grove, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spring Grove, a village in Mchenry County, Illinois.
Overnight
61°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 61, with temperatures rising to around 63 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Spring Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Showers And Thunderstorms | 10 mph ESE | 100% |
| Saturday | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SSE | 100% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph E | 92% |
| Sunday | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 48% |
| Sunday Night | 54°F | Mostly Cloudy | 15 mph NE | 12% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 25% |
| Monday Night | 50°F | Mostly Cloudy | 10 to 15 mph ENE | 14% |
| Tuesday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 8% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 3% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Spring Grove (42.451, -88.240). Updated through the day.
Growing snapshot for Spring Grove
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
5b
More local growing data for Spring Grove: nearby ZIP 60081 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, Antioch, Il (6.9 mi from Spring Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.