Huntington, OR 97903 Frost Dates
97903, near Huntington, OR: the frost window
The last spring frost here typically falls around 05/07, about 252 days from today. Fall's first freeze usually shows up around 10/03, roughly 147 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Huntington in Zone 6b (-5 to 0°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
Huntington's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Huntington against the rest of the dataset
About 147 days separate Huntington's last and first frost, putting it 35,959 of 40,283 ZIP codes nationally. Within OR, it ranks 352 of 463.
Learn more
Two guides worth reading on 97903: local microclimates, on what one yard in Huntington can differ from the 97903 normal, and zone vs. frost date, on why Zone 6b and Huntington's frost date answer different questions.