Franklin Park, IL 60131 Frost Dates
Frost dates for Franklin Park, IL, ZIP 60131
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
Franklin Park sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6a around Franklin Park has about 9 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.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Franklin Park compares
About 193 days separate Franklin Park's last and first frost, putting it 19,752 of 40,283 ZIP codes nationally. Within IL, it ranks 382 of 1,548.
Learn more
local microclimates explains what one yard in Franklin Park can differ from the 60131 normal, and zone vs. frost date explains why Zone 6a and Franklin Park's frost date answer different questions.