Weymouth Town, MA 02339 Frost Dates
Frost dates for Weymouth Town, MA, ZIP 02339
Typically, the last spring freeze lands around 04/25, roughly 240 days out. The first fall frost typically arrives around 10/22, about 177 frost-free days later.
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 Weymouth Town, not a forecast for this year.
What to do before the first frost
Zone 6b around Weymouth Town has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Weymouth Town compares
At roughly 177 frost-free days, Weymouth Town places 25,991 of 40,283 ZIP codes in this dataset. Within MA, it ranks 275 of 712.
Learn more
zone vs. frost date explains why Zone 6b and Weymouth Town's frost date answer different questions, and the frost range explains how to read the range around Weymouth Town's dates instead of trusting one.