Cashton, WI 54619 Frost Dates
Cashton, WI: when does the frost end?
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/14, roughly 170 days after the last spring frost.
Cashton sits in USDA Zone 5a (-20 to -15°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.
Stretching the season past the first frost
With roughly 7 weeks until Cashton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Cashton's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Cashton against the rest of the dataset
At roughly 170 frost-free days, Cashton places 29,106 of 40,283 ZIP codes in this dataset. Within WI, it ranks 124 of 860.
Learn more
Before leaning on 54619's figures: the frost range explains how to read the range around Cashton's dates instead of trusting one, while local microclimates explains what one yard in Cashton can differ from the 54619 normal.