Morton Grove, IL 60053 Frost Dates
Frost dates for Morton Grove, IL, ZIP 60053
The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/21, about 176 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Morton Grove, not a forecast for this year.
What to do before the first frost
Zone 6a around Morton Grove has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Morton Grove's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Morton Grove compares
At roughly 176 frost-free days, Morton Grove places 26,384 of 40,283 ZIP codes in this dataset. Within IL, it ranks 1,159 of 1,548.
Learn more
zone vs. frost date explains why Zone 6a and Morton Grove's frost date answer different questions, and the frost range explains how to read the range around Morton Grove's dates instead of trusting one.