Newport, RI 02892 Frost Dates
Newport, RI: when does the frost end?
Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/15, roughly 171 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Newport 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
With roughly 7 weeks until Newport's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Newport's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Newport against the rest of the dataset
At roughly 171 frost-free days, Newport places 28,598 of 40,283 ZIP codes in this dataset. Within RI, it ranks 57 of 79.
Learn more
Before leaning on 02892's figures: zone vs. frost date explains why Zone 6b and Newport's frost date answer different questions, while the frost range explains how to read the range around Newport's dates instead of trusting one.