North Bend, WA 98124 Frost Dates
North Bend, WA: when does the frost end?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 11/01, roughly 193 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Bend 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 9 weeks until North Bend'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
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
North Bend against the rest of the dataset
About 193 days separate North Bend's last and first frost, putting it 19,809 of 40,283 ZIP codes nationally. Within WA, it ranks 377 of 700.
Learn more
Before leaning on 98124's figures: local microclimates explains what one yard in North Bend can differ from the 98124 normal, while zone vs. frost date explains why Zone 9a and North Bend's frost date answer different questions.