FrostDateCheck

Weymouth Town, MA 02066 Frost Dates

02066, near Weymouth Town, MA: the frost window

Zone 7a

Typically, the last spring freeze lands around 04/25, roughly 240 days out. Fall's first freeze usually shows up around 10/22, roughly 177 days after the last spring frost.

Weymouth Town sits in USDA Zone 7a (0 to 5°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

Weymouth Town'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 Weymouth Town's last frost

04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.

Weymouth Town against the rest of the dataset

Weymouth Town's growing season runs about 177 days, ranking 25,986 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 270 of 712.

Learn more

Two guides worth reading on 02066: zone vs. frost date, on why Zone 7a and Weymouth Town's frost date answer different questions, and the frost range, on how to read the range around Weymouth Town's dates instead of trusting one.