Quincy, WA 98848 Frost Dates
Frost dates for Quincy, WA, ZIP 98848
Around 04/21 is the usual last spring frost, about 236 days away. The first fall frost typically arrives around 10/16, about 178 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 Quincy, not a forecast for this year.
What to do before the first frost
Zone 7a around Quincy 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 04/21 isn't a guarantee
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Quincy compares
About 178 days separate Quincy's last and first frost, putting it 25,659 of 40,283 ZIP codes nationally. Within WA, it ranks 447 of 700.
Learn more
local microclimates explains what one yard in Quincy can differ from the 98848 normal, and zone vs. frost date explains why Zone 7a and Quincy's frost date answer different questions.