Moline, IL 61299 Frost Dates
Frost dates for Moline, IL, ZIP 61299
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 176 frost-free days later.
Moline 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 Moline 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.
How much risk comes with planting early here
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. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Moline compares
About 176 days separate Moline's last and first frost, putting it 26,367 of 40,283 ZIP codes nationally. Within IL, it ranks 1,153 of 1,548.
Learn more
local microclimates explains what one yard in Moline can differ from the 61299 normal, and zone vs. frost date explains why Zone 5b and Moline's frost date answer different questions.