Warden, WA 98857 Frost Dates
Frost dates for Warden, WA, ZIP 98857
The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/08, about 165 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 Warden, not a forecast for this year.
What to do before the first frost
Zone 7a around Warden 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
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 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 Warden compares
About 165 days separate Warden's last and first frost, putting it 30,584 of 40,283 ZIP codes nationally. Within WA, it ranks 556 of 700.
Learn more
zone vs. frost date explains why Zone 7a and Warden's frost date answer different questions, and the frost range explains how to read the range around Warden's dates instead of trusting one.