Cambridge, WI 53523 Frost Dates
When can you plant in Cambridge, WI?
The last spring frost here typically falls around 04/29, about 244 days from today. The first fall frost typically arrives around 10/14, about 167 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cambridge in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 7 weeks of growing season left in Cambridge before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Cambridge's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cambridge compares
At roughly 167 frost-free days, Cambridge places 30,044 of 40,283 ZIP codes in this dataset. Within WI, it ranks 166 of 860.
Learn more
zone vs. frost date covers why Zone 5b and Cambridge's frost date answer different questions. the frost range covers how to read the range around Cambridge's dates instead of trusting one.