Nooksack, WA 98266 Frost Dates
Frost dates for Nooksack, WA, ZIP 98266
Around 03/31 is the usual last spring frost, about 215 days away. The first fall frost typically arrives around 10/30, about 211 frost-free days later.
The USDA Plant Hardiness Zone Map puts Nooksack in Zone 8a (10 to 15°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
Zone 8a around Nooksack 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
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Nooksack compares
About 211 days separate Nooksack's last and first frost, putting it 14,796 of 40,283 ZIP codes nationally. Within WA, it ranks 271 of 700.
Learn more
zone vs. frost date explains why Zone 8a and Nooksack's frost date answer different questions, and the frost range explains how to read the range around Nooksack's dates instead of trusting one.