North Bend, WA 98129 Frost Dates
When can you plant in North Bend, WA?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. The first fall frost typically arrives around 11/01, about 193 frost-free days later.
The USDA Plant Hardiness Zone Map puts North Bend in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 9 weeks of growing season left in North Bend before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
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 19,810 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 378 of 700.
Learn more
local microclimates covers what one yard in North Bend can differ from the 98129 normal. zone vs. frost date covers why Zone 9a and North Bend's frost date answer different questions.