Weir, TX 78680 Frost Dates
When can you plant in Weir, TX?
Around 03/06 is the usual last spring frost, about 190 days away. The first fall frost typically arrives around 11/24, about 259 frost-free days later.
Weir sits in USDA Zone 9a (20 to 25°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.
What to do before the first frost
About 13 weeks of growing season left in Weir before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Weir's last frost
03/06 is the middle of 30 years of NOAA records, not a promise. Plant by 02/13 and you're betting against frost in roughly 9 years out of 10. 03/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Weir compares
About 259 days separate Weir's last and first frost, putting it 6,602 of 40,283 ZIP codes nationally. Within TX, it ranks 1,397 of 2,558.
Learn more
zone vs. frost date covers why Zone 9a and Weir's frost date answer different questions. the frost range covers how to read the range around Weir's dates instead of trusting one.