Newport, RI 02840 Frost Dates
Frost dates for Newport, RI, ZIP 02840
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 11/13, about 216 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 Newport, not a forecast for this year.
What to do before the first frost
Zone 7a around Newport has about 11 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 Newport's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newport compares
At roughly 216 frost-free days, Newport places 13,733 of 40,283 ZIP codes in this dataset. Within RI, it ranks 2 of 79.
Learn more
local microclimates explains what one yard in Newport can differ from the 02840 normal, and zone vs. frost date explains why Zone 7a and Newport's frost date answer different questions.