Northern Cambria, PA 15710 Frost Dates
15710, near Northern Cambria, PA: the frost window
Typically, the last spring freeze lands around 04/29, roughly 244 days out. Fall's first freeze usually shows up around 10/21, roughly 176 days after the last spring frost.
Northern Cambria sits in USDA Zone 6a (-10 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.
Stretching the season past the first frost
Northern Cambria's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Northern Cambria against the rest of the dataset
At roughly 176 frost-free days, Northern Cambria places 26,451 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,029 of 2,088.
Learn more
Two guides worth reading on 15710: zone vs. frost date, on why Zone 6a and Northern Cambria's frost date answer different questions, and the frost range, on how to read the range around Northern Cambria's dates instead of trusting one.