North Bend, WA 98057 Frost Dates
Frost dates for North Bend, WA, ZIP 98057
The last spring frost here typically falls around 04/23, about 238 days from today. The first fall frost typically arrives around 11/01, about 193 frost-free days later.
North Bend sits in USDA Zone 9a (20 to 25°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.
What to do before the first frost
Zone 9a around North Bend has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Bend compares
About 193 days separate North Bend's last and first frost, putting it 19,799 of 40,283 ZIP codes nationally. Within WA, it ranks 367 of 700.
Learn more
the frost range explains how to read the range around North Bend's dates instead of trusting one, and local microclimates explains what one yard in North Bend can differ from the 98057 normal.