Port Orchard, WA 98367 Frost Dates
When can you plant in Port Orchard, WA?
The last spring frost here typically falls around 03/29, about 213 days from today. The first fall frost typically arrives around 11/14, about 227 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 Port Orchard, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in Port Orchard 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
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Port Orchard compares
About 227 days separate Port Orchard's last and first frost, putting it 10,971 of 40,283 ZIP codes nationally. Within WA, it ranks 194 of 700.
Learn more
the frost range covers how to read the range around Port Orchard's dates instead of trusting one. local microclimates covers what one yard in Port Orchard can differ from the 98367 normal.