North Bend, WA 98035 Frost Dates
Frost dates for North Bend, WA, ZIP 98035
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 8b (15 to 20°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 8b 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
North Bend's growing season runs about 193 days, ranking 19,796 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 364 of 700.
Learn more
local microclimates explains what one yard in North Bend can differ from the 98035 normal, and zone vs. frost date explains why Zone 8b and North Bend's frost date answer different questions.