Fall Creek, WI 54702 Frost Dates
Frost dates for Fall Creek, WI, ZIP 54702
The last spring frost here typically falls around 05/07, about 252 days from today. The first fall frost typically arrives around 10/01, about 146 frost-free days later.
Zone 4b (-25 to -20°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 Fall Creek, not a forecast for this year.
What to do before the first frost
Zone 4b around Fall Creek has about 5 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
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fall Creek compares
Fall Creek's growing season runs about 146 days, ranking 36,059 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 640 of 860.
Learn more
local microclimates explains what one yard in Fall Creek can differ from the 54702 normal, and zone vs. frost date explains why Zone 4b and Fall Creek's frost date answer different questions.