Weir, TX 78630 Frost Dates
Weir, TX: when does the frost end?
Around 03/06 is the usual last spring frost, about 190 days away. Fall's first freeze usually shows up around 11/24, roughly 259 days after the last spring frost.
Zone 9a (20 to 25°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 Weir, not a forecast for this year.
Stretching the season past the first frost
With roughly 13 weeks until Weir's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Weir's last frost
03/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/30 and only about 1 year in 10 sees frost after that.
Weir against the rest of the dataset
About 259 days separate Weir's last and first frost, putting it 6,598 of 40,283 ZIP codes nationally. Within TX, it ranks 1,393 of 2,558.
Learn more
Before leaning on 78630's figures: the frost range explains how to read the range around Weir's dates instead of trusting one, while local microclimates explains what one yard in Weir can differ from the 78630 normal.