Frost dates in Cook County, Illinois

Sandstone canyon wall and still pool at Starved Rock State Park, Illinois — Photo: B3thedw, CC BY-SA 4.0, via Wikimedia Commons

The average last spring frost in Cook County falls Apr 10 to Apr 30 and the average first fall frost Oct 13 to Nov 5, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6b. Places: Alsip, Arlington Heights, Barrington Hills, Bellwood, Berkeley, Berwyn. 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
60004	Arlington Heights	Apr 19	Oct 26	6a
60005	Arlington Heights	Apr 16	Oct 28	6a
60007	Elk Grove Village	Apr 16	Oct 28	6a
60008	Rolling Meadows	Apr 16	Oct 28	6a
60010	Barrington Hills	Apr 25	Oct 19	5b
60016	Des Plaines	Apr 16	Oct 28	6a
60018	Chicago	Apr 16	Oct 28	6a
60022	Glencoe	Apr 26	Oct 21	6a
60025	Glenview	Apr 26	Oct 21	6a
60026	Glenview	Apr 19	Oct 26	6a
60029	Golf	Apr 26	Oct 21	6a
60043	Kenilworth	Apr 26	Oct 21	6a
60053	Morton Grove	Apr 26	Oct 21	6a
60056	Mount Prospect	Apr 19	Oct 26	6a
60062	Northbrook	Apr 19	Oct 26	6a
60067	Palatine	Apr 25	Oct 19	5b
60068	Park Ridge	Apr 16	Oct 28	6a
60070	Prospect Heights	Apr 19	Oct 26	6a
60074	Palatine	Apr 19	Oct 26	5b
60076	Skokie	Apr 26	Oct 21	6a
60077	Skokie	Apr 26	Oct 21	6a
60090	Wheeling	Apr 19	Oct 26	6a
60091	Wilmette	Apr 26	Oct 21	6a
60093	Winnetka	Apr 26	Oct 21	6a
60104	Bellwood	Apr 16	Oct 28	6a
60107	Streamwood	Apr 30	Oct 13	5b
60120	Elgin	Apr 26	Oct 18	5b
60130	Forest Park	Apr 11	Oct 31	6a
60131	Franklin Park	Apr 16	Oct 28	6a
60141		Apr 11	Oct 31	6a
60153	Maywood	Apr 11	Oct 31	6a
60154	Westchester	Apr 11	Oct 31	6a
60155	Broadview	Apr 11	Oct 31	6a
60160	Melrose Park	Apr 16	Oct 28	6a
60162	Hillside	Apr 16	Oct 28	6a
60163	Berkeley	Apr 16	Oct 28	6a
60164	Northlake	Apr 16	Oct 28	6a
60165	Stone Park	Apr 16	Oct 28	6a
60169	Hoffman Estates	Apr 30	Oct 13	5b
60171	River Grove	Apr 16	Oct 28	6a
60173	Schaumburg	Apr 30	Oct 13	5b
60176	Schiller Park	Apr 16	Oct 28	6a
60192	Hoffman Estates	Apr 30	Oct 13	5b
60193	Schaumburg	Apr 30	Oct 13	5b
60194	Schaumburg	Apr 30	Oct 13	5b
60195	Schaumburg	Apr 25	Oct 19	5b
60201	Evanston	Apr 26	Oct 21	6a
60202	Evanston	Apr 26	Oct 21	6a
60203	Skokie	Apr 26	Oct 21	6a
60208	Evanston	Apr 26	Oct 21	6a
60301	Oak Park	Apr 11	Oct 31	6a
60302	Oak Park	Apr 11	Oct 31	6a
60304	Oak Park	Apr 11	Oct 31	6a
60305	River Forest	Apr 11	Oct 31	6a
60402	Berwyn	Apr 11	Oct 31	6a
60406	Blue Island	Apr 10	Nov 1	6a
60409	Calumet City	Apr 23	Oct 20	6a
60411	Chicago Heights	Apr 23	Oct 20	6a
60415	Chicago Ridge	Apr 10	Nov 1	6a
60418	Crestwood	Apr 10	Nov 1	6a
60419	Dolton	Apr 23	Oct 20	6a
60422	Flossmoor	Apr 23	Oct 20	6a
60425	Glenwood	Apr 23	Oct 20	6a
60426	Harvey	Apr 23	Oct 20	6a
60428	Markham	Apr 23	Oct 20	6a
60429	Hazel Crest	Apr 23	Oct 20	6a
60430	Homewood	Apr 23	Oct 20	6a
60438	Lansing	Apr 23	Oct 20	6a
60439	Lemont	Apr 20	Oct 22	6a
60443	Matteson	Apr 23	Oct 20	6a
60445	Midlothian	Apr 10	Nov 1	6a
60452	Oak Forest	Apr 23	Oct 20	6a
60453	Oak Lawn	Apr 10	Nov 1	6a
60455	Bridgeview	Apr 10	Nov 1	6a
60456	Hometown	Apr 10	Nov 1	6a
60457	Hickory Hills	Apr 10	Nov 1	6a
60458	Justice	Apr 10	Nov 1	6a
60459	Burbank	Apr 10	Nov 1	6a
60461	Olympia Fields	Apr 23	Oct 20	6a
60462	Orland Park	Apr 10	Nov 1	6a
60463	Palos Heights	Apr 10	Nov 1	6a
60464	Palos Park	Apr 10	Nov 1	6a
60465	Palos Hills	Apr 10	Nov 1	6a
60466	Park Forest	Apr 23	Oct 20	6a
60467	Orland Park	Apr 20	Oct 22	6a
60469	Posen	Apr 10	Nov 1	6a
60471	Richton Park	Apr 23	Oct 20	6a
60472	Robbins	Apr 10	Nov 1	6a
60473	South Holland	Apr 23	Oct 20	6a
60475	Steger	Apr 23	Oct 20	6a
60476	Thornton	Apr 23	Oct 20	6a
60477	Tinley Park	Apr 23	Oct 20	6a
60478	Country Club Hills	Apr 23	Oct 20	6a
60480	Willow Springs	Apr 10	Nov 1	6a
60482	Worth	Apr 10	Nov 1	6a
60487	Tinley Park	Apr 23	Oct 20	6a
60501	Summit	Apr 11	Oct 31	6a
60513	Brookfield	Apr 11	Oct 31	6a
60525	Countryside	Apr 10	Nov 1	6a
60526	La Grange Park	Apr 11	Oct 31	6a
60534	Lyons	Apr 11	Oct 31	6a
60546	Riverside	Apr 11	Oct 31	6a
60558	Western Springs	Apr 11	Oct 31	6a
60601	Chicago	Apr 10	Nov 5	6b
60602	Chicago	Apr 10	Nov 5	6b
60603	Chicago	Apr 10	Nov 5	6b
60604	Chicago	Apr 10	Nov 5	6b
60605	Chicago	Apr 10	Nov 5	6b
60606	Chicago	Apr 10	Nov 5	6b
60607	Chicago	Apr 10	Nov 5	6b
60608	Chicago	Apr 10	Nov 5	6a
60609	Chicago	Apr 10	Nov 5	6a
60610	Chicago	Apr 10	Nov 5	6b
60611	Chicago	Apr 10	Nov 5	6b
60612	Chicago	Apr 10	Nov 5	6a
60613	Chicago	Apr 10	Nov 5	6b
60614	Chicago	Apr 10	Nov 5	6b
60615	Chicago	Apr 10	Nov 5	6b
60616	Chicago	Apr 10	Nov 5	6b
60617	Chicago	Apr 10	Nov 5	6a
60618	Chicago	Apr 10	Nov 5	6a
60619	Chicago	Apr 10	Nov 5	6a
60620	Chicago	Apr 11	Oct 31	6a
60621	Chicago	Apr 10	Nov 5	6a
60622	Chicago	Apr 10	Nov 5	6a
60623	Chicago	Apr 11	Oct 31	6a
60624	Chicago	Apr 10	Nov 5	6a
60625	Chicago	Apr 10	Nov 5	6a
60626	Chicago	Apr 26	Oct 21	6a
60628	Chicago	Apr 10	Nov 1	6a
60629	Chicago	Apr 11	Oct 31	6a
60630	Chicago	Apr 16	Oct 28	6a
60631	Chicago	Apr 16	Oct 28	6a
60632	Chicago	Apr 11	Oct 31	6a
60633	Chicago	Apr 10	Nov 1	6a
60634	Chicago	Apr 16	Oct 28	6a
60636	Chicago	Apr 11	Oct 31	6a
60637	Chicago	Apr 10	Nov 5	6a
60638	Chicago	Apr 11	Oct 31	6a
60639	Chicago	Apr 10	Nov 5	6a
60640	Chicago	Apr 10	Nov 5	6a
60641	Chicago	Apr 10	Nov 5	6a
60642	Chicago	Apr 10	Nov 5	6a
60643	Chicago	Apr 10	Nov 1	6a
60644	Chicago	Apr 11	Oct 31	6a
60645	Chicago	Apr 26	Oct 21	6a
60646	Chicago	Apr 16	Oct 28	6a
60647	Chicago	Apr 10	Nov 5	6a
60649	Chicago	Apr 10	Nov 5	6b
60651	Chicago	Apr 10	Nov 5	6a
60652	Chicago	Apr 11	Oct 31	6a
60653	Chicago	Apr 10	Nov 5	6b
60654	Chicago	Apr 10	Nov 5	6b
60655	Chicago	Apr 10	Nov 1	6a
60656	Chicago	Apr 16	Oct 28	6a
60657	Chicago	Apr 10	Nov 5	6a
60659	Chicago	Apr 10	Nov 5	6a
60660	Chicago	Apr 10	Nov 5	6a
60661	Chicago	Apr 10	Nov 5	6b
60706	Norridge	Apr 16	Oct 28	6a
60707	Elmwood Park	Apr 16	Oct 28	6a
60712	Lincolnwood	Apr 26	Oct 21	6a
60714	Niles	Apr 16	Oct 28	6a
60803	Alsip	Apr 10	Nov 1	6a
60804	Cicero	Apr 11	Oct 31	6a
60805	Evergreen Park	Apr 10	Nov 1	6a
60827	Riverdale	Apr 10	Nov 1	6a

Nearby counties

DuPage County Will County Kane County Lake County Kendall County McHenry County

All Illinois counties · Download Illinois frost dates (CSV)

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