FrostDateCheck

Kingston, IL 60145 Frost Dates

Frost dates for Kingston, IL, ZIP 60145

Zone 5b

The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/18, about 177 frost-free days later.

Kingston 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 Kingston 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.

Why 04/24 isn't a guarantee

04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Kingston compares

About 177 days separate Kingston's last and first frost, putting it 26,179 of 40,283 ZIP codes nationally. Within IL, it ranks 1,131 of 1,548.

Learn more

local microclimates explains what one yard in Kingston can differ from the 60145 normal, and zone vs. frost date explains why Zone 5b and Kingston's frost date answer different questions.