Hebron, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hebron, a village in Mchenry County, Illinois.
This Afternoon
68°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hebron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain Showers Likely | 15 mph S | 74% |
| Tonight | 58°F | Rain Showers | 15 mph S | 84% |
| Wednesday | 62°F | Rain Showers Likely | 15 mph SSW | 56% |
| Wednesday Night | 46°F | Chance Rain Showers | 15 mph SW | 29% |
| Thursday | 54°F | Rain Showers Likely | 10 to 15 mph WSW | 57% |
| Thursday Night | 40°F | Chance Rain Showers | 5 to 10 mph NW | 50% |
| Friday | 50°F | Slight Chance Rain Showers | 10 to 15 mph N | 21% |
| Friday Night | 33°F | Mostly Cloudy | 0 to 5 mph NNW | 3% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph WSW | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 17% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 8% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 2% |
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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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 Nov 4, 2026.