Newton, NJ 07860 Frost Dates
Frost dates for Newton, NJ, ZIP 07860
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/16, about 176 frost-free days later.
Newton sits in USDA Zone 6b (-5 to 0°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
Zone 6b around Newton has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newton compares
At roughly 176 frost-free days, Newton places 26,415 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 790 of 906.
Learn more
local microclimates explains what one yard in Newton can differ from the 07860 normal, and zone vs. frost date explains why Zone 6b and Newton's frost date answer different questions.