North Bend, WA 98131 Frost Dates
98131, near North Bend, WA: the frost window
The last spring frost here typically falls around 04/23, about 238 days from today. Fall's first freeze usually shows up around 11/01, roughly 193 days after the last spring frost.
Zone 9a (20 to 25°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
North Bend's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around North Bend's last frost
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 19,811 of 40,283 ZIP codes nationally. Within WA, it ranks 379 of 700.
Learn more
Two guides worth reading on 98131: the frost range, on how to read the range around North Bend's dates instead of trusting one, and local microclimates, on what one yard in North Bend can differ from the 98131 normal.