North Bend, WA 98025 Frost Dates
North Bend, WA: when does the frost end?
Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/25, roughly 187 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 North Bend, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until North Bend's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around North Bend's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 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.
North Bend against the rest of the dataset
About 187 days separate North Bend's last and first frost, putting it 22,321 of 40,283 ZIP codes nationally. Within WA, it ranks 420 of 700.
Learn more
Before leaning on 98025's figures: local microclimates explains what one yard in North Bend can differ from the 98025 normal, while zone vs. frost date explains why Zone 8b and North Bend's frost date answer different questions.