Cheswick, PA 15049 Frost Dates
Cheswick, PA: when does the frost end?
The last spring frost here typically falls around 04/16, about 231 days from today. Fall's first freeze usually shows up around 11/02, roughly 199 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 Cheswick, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Cheswick's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Cheswick against the rest of the dataset
About 199 days separate Cheswick's last and first frost, putting it 18,146 of 40,283 ZIP codes nationally. Within PA, it ranks 306 of 2,088.
Learn more
Before leaning on 15049's figures: zone vs. frost date explains why Zone 6b and Cheswick's frost date answer different questions, while the frost range explains how to read the range around Cheswick's dates instead of trusting one.