Last frost dates in Illinois
Typical last frost
April 16
That is the date for the typical Illinois resident, weighted by city population. Across the state the average last frost runs from April 4 to May 1, so look up your own town below.
- Earliest city
- Apr 4
- Latest city
- May 1
- Typical first frost
- Oct 24
- Cities
- 121
This week in Illinois
No frost in the forecast for the next 7 nights
National Weather Service forecast, updated Oct 22, 11:10 UTC
Frost dates by city
| City | Last frost | Safe after | First frost | Season |
|---|---|---|---|---|
| Chicago | Apr 10 | Apr 25 | Nov 5 | 208 days |
| Aurora | Apr 19 | May 4 | Oct 23 | 185 days |
| Naperville | Apr 28 | May 14 | Oct 16 | 169 days |
| Joliet | Apr 19 | May 7 | Oct 25 | 188 days |
| Rockford | Apr 24 | May 8 | Oct 17 | 174 days |
| Elgin | Apr 26 | May 12 | Oct 18 | 174 days |
| Springfield | Apr 15 | Apr 30 | Oct 22 | 188 days |
| Peoria | Apr 16 | May 4 | Oct 23 | 189 days |
| Champaign | Apr 15 | Apr 29 | Oct 24 | 190 days |
| Waukegan | Apr 30 | May 14 | Oct 19 | 170 days |
| Cicero | Apr 11 | Apr 27 | Oct 31 | 201 days |
| Bloomington | Apr 25 | May 11 | Oct 16 | 172 days |
| Schaumburg | Apr 30 | May 16 | Oct 13 | 163 days |
| Evanston | Apr 26 | May 11 | Oct 21 | 176 days |
| Arlington Heights | Apr 19 | May 3 | Oct 26 | 190 days |
| Bolingbrook | Apr 20 | May 6 | Oct 22 | 184 days |
| Decatur | Apr 14 | May 1 | Oct 24 | 192 days |
| Skokie | Apr 26 | May 11 | Oct 21 | 176 days |
| Palatine | Apr 25 | May 12 | Oct 19 | 177 days |
| Des Plaines | Apr 16 | May 1 | Oct 28 | 193 days |
| Orland Park | Apr 19 | May 5 | Oct 22 | 183 days |
| Oak Lawn | Apr 10 | Apr 26 | Nov 1 | 203 days |
| Mount Prospect | Apr 19 | May 3 | Oct 26 | 190 days |
| Tinley Park | Apr 23 | May 11 | Oct 20 | 179 days |
| Berwyn | Apr 11 | Apr 27 | Oct 31 | 201 days |
| Wheaton | Apr 28 | May 14 | Oct 16 | 169 days |
| Normal | Apr 25 | May 11 | Oct 16 | 172 days |
| Oak Park | Apr 11 | Apr 27 | Oct 31 | 201 days |
| Hoffman Estates | Apr 30 | May 16 | Oct 13 | 163 days |
| Downers Grove | Apr 28 | May 14 | Oct 16 | 169 days |
| Plainfield | Apr 20 | May 6 | Oct 22 | 184 days |
| Glenview | Apr 26 | May 11 | Oct 21 | 176 days |
| Elmhurst | Apr 16 | May 1 | Oct 28 | 193 days |
| Lombard | Apr 28 | May 14 | Oct 16 | 169 days |
| Buffalo Grove | Apr 19 | May 3 | Oct 26 | 190 days |
| Moline | Apr 24 | May 9 | Oct 18 | 176 days |
| Crystal Lake | Apr 25 | May 9 | Oct 22 | 179 days |
| Romeoville | Apr 20 | May 6 | Oct 22 | 184 days |
| Bartlett | Apr 30 | May 16 | Oct 13 | 163 days |
| DeKalb | Apr 24 | May 10 | Oct 18 | 177 days |
| Belleville | Apr 12 | Apr 28 | Oct 20 | 189 days |
| Oswego | Apr 19 | May 4 | Oct 23 | 185 days |
| Urbana | Apr 15 | Apr 29 | Oct 24 | 190 days |
| Carol Stream | Apr 25 | May 12 | Oct 19 | 174 days |
| Quincy | Apr 8 | Apr 23 | Oct 30 | 204 days |
| Park Ridge | Apr 16 | May 1 | Oct 28 | 193 days |
| Wheeling | Apr 19 | May 3 | Oct 26 | 190 days |
| Streamwood | Apr 30 | May 16 | Oct 13 | 163 days |
| Carpentersville | Apr 26 | May 12 | Oct 18 | 174 days |
| Hanover Park | Apr 30 | May 16 | Oct 13 | 163 days |
| Rock Island | Apr 24 | May 9 | Oct 18 | 176 days |
| Addison | Apr 16 | May 1 | Oct 28 | 193 days |
| Calumet City | Apr 23 | May 11 | Oct 20 | 179 days |
| Northbrook | Apr 26 | May 11 | Oct 21 | 176 days |
| North Chicago | Apr 30 | May 14 | Oct 19 | 170 days |
| Woodridge | Apr 28 | May 14 | Oct 16 | 169 days |
| St. Charles | Apr 25 | May 12 | Oct 19 | 174 days |
| Mundelein | Apr 29 | May 15 | Oct 20 | 172 days |
| O'Fallon | Apr 12 | Apr 28 | Oct 20 | 189 days |
| Glendale Heights | Apr 28 | May 14 | Oct 16 | 169 days |
| Elk Grove Village | Apr 16 | May 1 | Oct 28 | 193 days |
| Pekin | Apr 16 | May 4 | Oct 23 | 189 days |
| Algonquin | Apr 26 | May 12 | Oct 18 | 174 days |
| Highland Park | Apr 26 | May 11 | Oct 21 | 176 days |
| Gurnee | Apr 30 | May 14 | Oct 19 | 170 days |
| Niles | Apr 16 | May 1 | Oct 28 | 193 days |
| McHenry | May 1 | May 19 | Oct 11 | 162 days |
| Huntley | Apr 25 | May 9 | Oct 22 | 179 days |
| New Lenox | Apr 19 | May 7 | Oct 25 | 188 days |
| Glen Ellyn | Apr 28 | May 14 | Oct 16 | 169 days |
| Lake in the Hills | Apr 25 | May 9 | Oct 22 | 179 days |
| Galesburg | Apr 20 | May 5 | Oct 19 | 180 days |
| Burbank | Apr 10 | Apr 26 | Nov 1 | 203 days |
| Danville | Apr 21 | May 7 | Oct 20 | 181 days |
| Lansing | Apr 23 | May 11 | Oct 20 | 179 days |
| Lockport | Apr 20 | May 6 | Oct 22 | 184 days |
| Wilmette | Apr 26 | May 11 | Oct 21 | 176 days |
| Round Lake Beach | Apr 24 | May 9 | Oct 23 | 180 days |
| Vernon Hills | Apr 29 | May 15 | Oct 20 | 172 days |
| Granite City | Apr 4 | Apr 19 | Nov 5 | 214 days |
| Oak Forest | Apr 23 | May 11 | Oct 20 | 179 days |
| Yorkville | Apr 28 | May 11 | Oct 13 | 166 days |
| Batavia | Apr 19 | May 4 | Oct 23 | 185 days |
| Chicago Heights | Apr 23 | May 11 | Oct 20 | 179 days |
| Edwardsville | Apr 4 | Apr 19 | Nov 5 | 214 days |
| Woodstock | Apr 25 | May 9 | Oct 22 | 179 days |
| South Elgin | Apr 26 | May 12 | Oct 18 | 174 days |
| Belvidere | Apr 24 | May 8 | Oct 17 | 174 days |
| West Chicago | Apr 25 | May 12 | Oct 19 | 174 days |
| Alton | Apr 4 | Apr 19 | Nov 5 | 214 days |
| Homer Glen | Apr 20 | May 6 | Oct 22 | 184 days |
| Morton Grove | Apr 26 | May 11 | Oct 21 | 176 days |
| Zion | Apr 30 | May 16 | Oct 21 | 173 days |
| Westmont | Apr 28 | May 14 | Oct 16 | 169 days |
| Melrose Park | Apr 16 | May 1 | Oct 28 | 193 days |
| Collinsville | Apr 8 | Apr 23 | Oct 26 | 200 days |
| Loves Park | Apr 24 | May 8 | Oct 17 | 174 days |
| Rolling Meadows | Apr 19 | May 3 | Oct 26 | 190 days |
| Elmwood Park | Apr 16 | May 1 | Oct 28 | 193 days |
| Lisle | Apr 28 | May 14 | Oct 16 | 169 days |
| Kankakee | Apr 19 | May 3 | Oct 24 | 188 days |
| Maywood | Apr 11 | Apr 27 | Oct 31 | 201 days |
| Freeport | Apr 26 | May 11 | Oct 13 | 169 days |
| Machesney Park | May 1 | May 16 | Oct 12 | 162 days |
| Roselle | Apr 30 | May 16 | Oct 13 | 163 days |
| Bloomingdale | Apr 30 | May 16 | Oct 13 | 163 days |
| East Peoria | Apr 16 | May 4 | Oct 23 | 189 days |
| Darien | Apr 19 | May 5 | Oct 22 | 183 days |
| Montgomery | Apr 19 | May 4 | Oct 23 | 185 days |
| Villa Park | Apr 28 | May 14 | Oct 16 | 169 days |
| Carbondale | Apr 9 | Apr 25 | Oct 22 | 195 days |
| Blue Island | Apr 10 | Apr 26 | Nov 1 | 203 days |
| Frankfort | Apr 23 | May 11 | Oct 20 | 179 days |
| Grayslake | Apr 29 | May 15 | Oct 20 | 172 days |
| Geneva | Apr 25 | May 12 | Oct 19 | 174 days |
| Park Forest | Apr 23 | May 11 | Oct 20 | 179 days |
| South Holland | Apr 23 | May 11 | Oct 20 | 179 days |
| Libertyville | Apr 29 | May 15 | Oct 20 | 172 days |
| Crest Hill | Apr 20 | May 6 | Oct 22 | 184 days |
| Dolton | Apr 23 | May 11 | Oct 20 | 179 days |
| East Moline | Apr 16 | Apr 30 | Oct 25 | 190 days |
When to plant in Illinois
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Questions
When is the last frost in Illinois?
It depends on where you are. Across the 121 cities we track, the average last frost runs from April 4 to May 1. In Chicago, the largest, it is April 10.
When is the first frost in Illinois?
For a typical resident, around October 24. Higher and more northern towns get it earlier.