North Arlington, NJ 07109 Frost Dates
07109, near North Arlington, NJ: the frost window
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 11/06, roughly 216 days after the last spring frost.
North Arlington sits in USDA Zone 7b (5 to 10°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
North Arlington's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
North Arlington against the rest of the dataset
At roughly 216 frost-free days, North Arlington places 13,748 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 292 of 906.
Learn more
Two guides worth reading on 07109: local microclimates, on what one yard in North Arlington can differ from the 07109 normal, and zone vs. frost date, on why Zone 7b and North Arlington's frost date answer different questions.