FrostDateCheck

Weyerhaeuser, WI 54895 Frost Dates

When can you plant in Weyerhaeuser, WI?

Zone 4a

The last spring frost here typically falls around 05/09, about 254 days from today. The first fall frost typically arrives around 09/29, about 140 frost-free days later.

Weyerhaeuser sits in USDA Zone 4a (-30 to -25°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

About 5 weeks of growing season left in Weyerhaeuser before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/26 and you're betting against frost in roughly 9 years out of 10. 05/27 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Weyerhaeuser compares

About 140 days separate Weyerhaeuser's last and first frost, putting it 37,165 of 40,283 ZIP codes nationally. Within WI, it ranks 722 of 860.

Learn more

local microclimates covers what one yard in Weyerhaeuser can differ from the 54895 normal. zone vs. frost date covers why Zone 4a and Weyerhaeuser's frost date answer different questions.