Hebron, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hebron, a village in Mchenry County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Hebron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph WSW | 74% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 74% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 70% |
| Thursday | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 41% |
| Thursday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 15% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SSW | 6% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 23% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 45% |
| Monday | 83°F | Chance Rain Showers | 5 mph SSW | 44% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 45% |
Forecast source: National Weather Service (api.weather.gov) for Hebron (42.465, -88.434). Updated through the day.
Growing snapshot for Hebron
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
5b
More local growing data for Hebron: nearby ZIP 60034 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Lake Barrington
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Marengo
McCullom Lake
McHenry
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Ridgefield
Riley
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Solon Mills
Spring Grove
Climate data from the nearest NOAA station, Pell Lake, Wi (7 mi from Hebron). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.