FrostDateCheck

North Bend, WA 98071 Frost Dates

Frost dates for North Bend, WA, ZIP 98071

Zone 8b

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 8b (15 to 20°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 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.

The actual range around North Bend's last frost

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 19,803 of 40,283 ZIP codes in this dataset. Within WA, it ranks 371 of 700.

Learn more

local microclimates explains what one yard in North Bend can differ from the 98071 normal, and zone vs. frost date explains why Zone 8b and North Bend's frost date answer different questions.