Eastport, ME 04628 Frost Dates
Frost dates for Eastport, ME, ZIP 04628
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/25, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts Eastport in Zone 5b (-15 to -10°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 5b around Eastport has about 8 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 Eastport's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eastport compares
At roughly 178 frost-free days, Eastport places 25,799 of 40,283 ZIP codes in this dataset. Within ME, it ranks 15 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 04628 normal.