Forks, WA 98326 Frost Dates
Forks, WA: when does the frost end?
Typically, the last spring freeze lands around 04/26, roughly 241 days out. Fall's first freeze usually shows up around 10/25, roughly 182 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Forks in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 8 weeks until Forks's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Forks's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Forks against the rest of the dataset
At roughly 182 frost-free days, Forks places 24,155 of 40,283 ZIP codes in this dataset. Within WA, it ranks 426 of 700.
Learn more
Before leaning on 98326's figures: zone vs. frost date explains why Zone 9a and Forks's frost date answer different questions, while the frost range explains how to read the range around Forks's dates instead of trusting one.