Everett, WA 98203 Frost Dates
Everett, WA: when does the frost end?
Around 03/24 is the usual last spring frost, about 208 days away. Fall's first freeze usually shows up around 11/02, roughly 223 days after the last spring frost.
Zone 8b (15 to 20°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 Everett, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Everett's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Everett's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/11 and only about 1 year in 10 sees frost after that.
Everett against the rest of the dataset
At roughly 223 frost-free days, Everett places 11,997 of 40,283 ZIP codes in this dataset. Within WA, it ranks 224 of 700.
Learn more
Before leaning on 98203's figures: zone vs. frost date explains why Zone 8b and Everett's frost date answer different questions, while the frost range explains how to read the range around Everett's dates instead of trusting one.