Hallettsville, TX Weather & Growing Conditions
Overnight
70°F
Mostly Clear
Mostly clear, with a low around 70. East northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Clear | 0 mph | 4% |
| Saturday | 97°F | Sunny | 0 to 5 mph E | 4% |
| Saturday Night | 71°F | Mostly Clear | 0 to 10 mph SE | 1% |
| Sunday | 98°F | Mostly Sunny | 0 to 5 mph ESE | 1% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 10 mph SE | 2% |
| Monday | 98°F | Mostly Sunny | 0 to 5 mph ESE | 10% |
| Monday Night | 73°F | Mostly Clear | 0 to 5 mph SE | 10% |
| Tuesday | 98°F | Sunny | 0 to 5 mph ENE | 10% |
| Tuesday Night | 73°F | Mostly Clear | 0 to 5 mph ENE | 11% |
| Wednesday | 98°F | Sunny | 0 to 10 mph NE | 11% |
| Wednesday Night | 73°F | Partly Cloudy | 0 to 10 mph E | 5% |
| Thursday | 97°F | Mostly Sunny | 5 to 10 mph ENE | 6% |
| Thursday Night | 71°F | Partly Cloudy | 0 to 10 mph ENE | 6% |
| Friday | 96°F | Mostly Sunny | 5 to 10 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hallettsville, TX
Last spring frost
Feb 17
First fall frost
Dec 4
Growing season
297 days
Hardiness zone
9a
Explore more for Hallettsville, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Hallettsville 2 N, Tx (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.