Arlington, WI 53911 Frost Dates
53911, near Arlington, WI: the frost window
Around 05/04 is the usual last spring frost, about 249 days away. Fall's first freeze usually shows up around 10/06, roughly 154 days after the last spring frost.
Arlington 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
Arlington's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Arlington's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Arlington against the rest of the dataset
Arlington's growing season runs about 154 days, ranking 34,387 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 495 of 860.
Learn more
Two guides worth reading on 53911: the frost range, on how to read the range around Arlington's dates instead of trusting one, and local microclimates, on what one yard in Arlington can differ from the 53911 normal.