Eastport, ME 04655 Frost Dates
Frost dates for Eastport, ME, ZIP 04655
Typically, the last spring freeze lands around 05/03, roughly 248 days out. The first fall frost typically arrives around 10/09, about 158 frost-free days later.
The USDA Plant Hardiness Zone Map puts Eastport in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Eastport has about 6 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.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eastport compares
About 158 days separate Eastport's last and first frost, putting it 33,044 of 40,283 ZIP codes nationally. Within ME, it ranks 182 of 456.
Learn more
the frost range explains how to read the range around Eastport's dates instead of trusting one, and local microclimates explains what one yard in Eastport can differ from the 04655 normal.