Forks, WA 98331 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.
Forks sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a 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.
How much risk comes with planting early here
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 24,156 of 40,283 ZIP codes in this dataset. Within WA, it ranks 427 of 700.
Learn more
Before leaning on 98331's figures: zone vs. frost date explains why Zone 8b 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.