Lockhart, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockhart, a city in Caldwell County, Texas.
Overnight
52°F
Clear
Clear, with a low around 52. North wind around 5 mph.
7-day forecast for Lockhart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Clear | 5 mph N | 0% |
| Wednesday | 76°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 50°F | Clear | 0 mph | 0% |
| Thursday | 80°F | Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 15 mph W | 3% |
| Friday | 75°F | Sunny | 10 to 15 mph N | 0% |
| Friday Night | 51°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 70°F | Partly Sunny | 10 mph NNE | 13% |
| Saturday Night | 49°F | Slight Chance Rain Showers | 5 to 10 mph N | 24% |
| Sunday | 67°F | Partly Sunny | 5 to 10 mph NNE | 13% |
| Sunday Night | 45°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
| Monday | 70°F | Sunny | 0 mph | 3% |
| Monday Night | 46°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 73°F | Mostly Sunny | 0 mph | 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 Nov 4, 2026.