Wayne, IL 60184 Frost Dates
Frost dates for Wayne, IL, ZIP 60184
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/13, about 163 frost-free days later.
Wayne sits in USDA Zone 5b (-15 to -10°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 5b around Wayne has about 7 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 Wayne's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wayne compares
About 163 days separate Wayne's last and first frost, putting it 31,401 of 40,283 ZIP codes nationally. Within IL, it ranks 1,525 of 1,548.
Learn more
local microclimates explains what one yard in Wayne can differ from the 60184 normal, and zone vs. frost date explains why Zone 5b and Wayne's frost date answer different questions.