Weiser, ID 83672 Frost Dates
Frost dates for Weiser, ID, ZIP 83672
The last spring frost here typically falls around 04/21, about 236 days from today. The first fall frost typically arrives around 10/14, about 176 frost-free days later.
Weiser sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 7a around Weiser has about 7 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 Weiser's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Weiser compares
At roughly 176 frost-free days, Weiser places 26,429 of 40,283 ZIP codes in this dataset. Within ID, it ranks 50 of 320.
Learn more
the frost range explains how to read the range around Weiser's dates instead of trusting one, and local microclimates explains what one yard in Weiser can differ from the 83672 normal.