Battle Ground, WA 98666 Frost Dates
Battle Ground, WA: when does the frost end?
The last spring frost here typically falls around 04/26, about 241 days from today. Fall's first freeze usually shows up around 10/16, roughly 174 days after the last spring frost.
Battle Ground 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 7 weeks until Battle Ground's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/26 isn't a guarantee
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 05/12 and only about 1 year in 10 sees frost after that.
Battle Ground against the rest of the dataset
About 174 days separate Battle Ground's last and first frost, putting it 27,357 of 40,283 ZIP codes nationally. Within WA, it ranks 477 of 700.
Learn more
Before leaning on 98666's figures: zone vs. frost date explains why Zone 8b and Battle Ground's frost date answer different questions, while the frost range explains how to read the range around Battle Ground's dates instead of trusting one.