Marion Heights, PA 17832 Frost Dates
17832, near Marion Heights, PA: the frost window
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/20, roughly 172 days after the last spring frost.
Zone 6b (-5 to 0°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 Marion Heights, not a forecast for this year.
Stretching the season past the first frost
Marion Heights'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 Marion Heights's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
Marion Heights against the rest of the dataset
Marion Heights's growing season runs about 172 days, ranking 28,438 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,403 of 2,088.
Learn more
Two guides worth reading on 17832: the frost range, on how to read the range around Marion Heights's dates instead of trusting one, and local microclimates, on what one yard in Marion Heights can differ from the 17832 normal.