Hail history / Austin / ZIP 78664
Hail history for ZIP 78664, Round Rock, TX
6 days with 1-inch hail or larger somewhere in 78664 since October 2020. The most recent was May 19, 2026.
61"+ hail days since Oct 2020
3.78"largest, September 24, 2023
May 19most recent, 2026
1997median year built
78664 (Round Rock, TX): median home built in 1997, 54% owner-occupied, about 24,497 housing units (Census).
| Date | Max hail in ZIP | Share of ZIP 1"+ | Homes 1"+ (est.) |
|---|---|---|---|
| May 19, 2026 | 1.19" | 7% | 900 |
| April 30, 2025 | 1.16" | 2% | 225 |
| April 22, 2025 | 1.63" | 43% | 5,401 |
| September 24, 2023 | 3.78" | 66% | 8,326 |
| April 28, 2023 | 1.2" | 14% | 1,800 |
| April 15, 2021 | 1.38" | 32% | 4,050 |
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