Point Marion, PA 15474 Frost Dates
15474, near Point Marion, PA: the frost window
Around 04/28 is the usual last spring frost, about 243 days away. Fall's first freeze usually shows up around 10/21, roughly 175 days after the last spring frost.
Point Marion sits in USDA Zone 6b (-5 to 0°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
Point Marion'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.
The actual range around Point Marion's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Point Marion against the rest of the dataset
About 175 days separate Point Marion's last and first frost, putting it 27,071 of 40,283 ZIP codes nationally. Within PA, it ranks 1,210 of 2,088.
Learn more
Two guides worth reading on 15474: the frost range, on how to read the range around Point Marion's dates instead of trusting one, and local microclimates, on what one yard in Point Marion can differ from the 15474 normal.