North Bend, WA 98013 Frost Dates
Frost dates for North Bend, WA, ZIP 98013
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 11/01, about 193 frost-free days later.
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.
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
At roughly 193 frost-free days, North Bend places 19,794 of 40,283 ZIP codes in this dataset. Within WA, it ranks 362 of 700.
Learn more
local microclimates explains what one yard in North Bend can differ from the 98013 normal, and zone vs. frost date explains why Zone 9a and North Bend's frost date answer different questions.