Uniontown, WA 99179 Frost Dates
When can you plant in Uniontown, WA?
Around 04/06 is the usual last spring frost, about 221 days away. The first fall frost typically arrives around 10/26, about 200 frost-free days later.
Zone 7a (0 to 5°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 Uniontown, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Uniontown 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
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Uniontown compares
About 200 days separate Uniontown's last and first frost, putting it 17,886 of 40,283 ZIP codes nationally. Within WA, it ranks 332 of 700.
Learn more
local microclimates covers what one yard in Uniontown can differ from the 99179 normal. zone vs. frost date covers why Zone 7a and Uniontown's frost date answer different questions.