Washougal, WA 97019 Frost Dates
Washougal, WA: when does the frost end?
The last spring frost here typically falls around 04/29, about 244 days from today. Fall's first freeze usually shows up around 10/22, roughly 177 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 Washougal, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Washougal's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Washougal's last frost
04/29 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 05/15 and only about 1 year in 10 sees frost after that.
Washougal against the rest of the dataset
Washougal's growing season runs about 177 days, ranking 26,051 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 459 of 700.
Learn more
Before leaning on 97019's figures: local microclimates explains what one yard in Washougal can differ from the 97019 normal, while zone vs. frost date explains why Zone 8b and Washougal's frost date answer different questions.