Lockhart, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockhart, a city in Caldwell County, Texas.
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. South southeast wind 0 to 10 mph.
7-day forecast for Lockhart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 to 10 mph SSE | 0% |
| Saturday | 98°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 72°F | Mostly Clear | 0 to 10 mph SSE | 0% |
| Sunday | 99°F | Mostly Sunny | 5 mph SSE | 0% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 10 mph SSE | 10% |
| Monday | 99°F | Mostly Sunny | 0 to 5 mph ESE | 11% |
| Monday Night | 74°F | Mostly Clear | 0 to 5 mph SSE | 11% |
| Tuesday | 99°F | Sunny | 0 to 10 mph ENE | 12% |
| Tuesday Night | 74°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph ENE | 15% |
| Wednesday | 99°F | Mostly Sunny | 0 to 10 mph NE | 10% |
| Wednesday Night | 74°F | Partly Cloudy | 0 to 10 mph E | 8% |
| Thursday | 98°F | Mostly Sunny | 0 to 10 mph NE | 8% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 10 mph E | 5% |
| Friday | 97°F | Mostly Sunny | 0 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Lockhart (29.879, -97.683). Updated through the day.
Growing snapshot for Lockhart
Last spring frost
Mar 5
First fall frost
Nov 23
Growing season
263 days
Hardiness zone
9a
More local growing data for Lockhart: nearby ZIP 78644 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Luling, Tx (13.6 mi from Lockhart). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.