Sandy, OR 97011 Frost Dates
Frost dates for Sandy, OR, ZIP 97011
The last spring frost here typically falls around 03/27, about 211 days from today. The first fall frost typically arrives around 11/14, about 230 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sandy 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 Sandy has about 11 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.
Why 03/27 isn't a guarantee
03/27 is the middle of 30 years of NOAA records, not a promise. Plant by 03/02 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sandy compares
At roughly 230 frost-free days, Sandy places 10,343 of 40,283 ZIP codes in this dataset. Within OR, it ranks 139 of 463.
Learn more
the frost range explains how to read the range around Sandy's dates instead of trusting one, and local microclimates explains what one yard in Sandy can differ from the 97011 normal.