Frost dates in Lake County, Illinois
The average last spring frost in Lake County falls Apr 19 to May 1 and the average first fall frost Oct 11 to Oct 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Antioch, Buffalo Grove, Deerfield, Fox Lake, Grayslake, Gurnee. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 60002 | Antioch | Apr 23 | Oct 21 | 5b |
| 60015 | Deerfield | Apr 19 | Oct 26 | 6a |
| 60020 | Fox Lake | Apr 24 | Oct 23 | 5b |
| 60030 | Grayslake | Apr 29 | Oct 20 | 5b |
| 60031 | Gurnee | Apr 30 | Oct 19 | 6a |
| 60035 | Highland Park | Apr 26 | Oct 21 | 6a |
| 60040 | Highwood | Apr 26 | Oct 21 | 6a |
| 60041 | Fox Lake | Apr 24 | Oct 23 | 5b |
| 60042 | Island Lake | May 1 | Oct 11 | 5b |
| 60044 | Lake Bluff | Apr 30 | Oct 19 | 6a |
| 60045 | Lake Forest | Apr 26 | Oct 21 | 6a |
| 60046 | Lake Villa | Apr 24 | Oct 23 | 5b |
| 60047 | Long Grove | Apr 29 | Oct 20 | 5b |
| 60048 | Libertyville | Apr 30 | Oct 19 | 6a |
| 60060 | Mundelein | Apr 29 | Oct 20 | 5b |
| 60061 | Vernon Hills | Apr 29 | Oct 20 | 6a |
| 60064 | North Chicago | Apr 30 | Oct 19 | 6a |
| 60069 | Lincolnshire | Apr 19 | Oct 26 | 6a |
| 60073 | Round Lake | Apr 24 | Oct 23 | 5b |
| 60075 | Apr 30 | Oct 21 | 5b | |
| 60083 | Old Mill Creek | Apr 30 | Oct 21 | 5b |
| 60084 | Wauconda | Apr 29 | Oct 20 | 5b |
| 60085 | Waukegan | Apr 30 | Oct 19 | 6a |
| 60087 | Waukegan | Apr 30 | Oct 21 | 6a |
| 60088 | North Chicago | Apr 30 | Oct 19 | 6a |
| 60089 | Buffalo Grove | Apr 19 | Oct 26 | 6a |
| 60096 | Winthrop Harbor | Apr 30 | Oct 21 | 6a |
| 60099 | Zion | Apr 30 | Oct 21 | 6a |
Nearby counties
McHenry County DuPage County Cook County Kane County Boone County DeKalb County
All Illinois counties · Download Illinois frost dates (CSV)
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