North Bend, WA 98062 Frost Dates
Frost dates for North Bend, WA, ZIP 98062
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.
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.
Why 04/23 isn't a guarantee
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 19,800 of 40,283 ZIP codes in this dataset. Within WA, it ranks 368 of 700.
Learn more
local microclimates explains what one yard in North Bend can differ from the 98062 normal, and zone vs. frost date explains why Zone 9a and North Bend's frost date answer different questions.