Duquesne, PA 15110 Frost Dates
15110, near Duquesne, PA: the frost window
The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/20, roughly 170 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Duquesne in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Duquesne'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 05/02 isn't a guarantee
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Duquesne against the rest of the dataset
Duquesne's growing season runs about 170 days, ranking 28,987 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,463 of 2,088.
Learn more
Two guides worth reading on 15110: zone vs. frost date, on why Zone 6b and Duquesne's frost date answer different questions, and the frost range, on how to read the range around Duquesne's dates instead of trusting one.