Newburgh, IN 42458 Frost Dates
Frost dates for Newburgh, IN, ZIP 42458
The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 11/02, about 214 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Newburgh, not a forecast for this year.
What to do before the first frost
Zone 7a around Newburgh has about 9 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.
The actual range around Newburgh's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newburgh compares
About 214 days separate Newburgh's last and first frost, putting it 14,255 of 40,283 ZIP codes nationally. Within IN, it ranks 29 of 927.
Learn more
the frost range explains how to read the range around Newburgh's dates instead of trusting one, and local microclimates explains what one yard in Newburgh can differ from the 42458 normal.