Lockhart, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockhart, a city in Caldwell County, Texas.
This Afternoon
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 77 in the afternoon. North northwest wind 5 to 10 mph.
7-day forecast for Lockhart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 5 to 10 mph NNW | 0% |
| Tonight | 50°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph NNE | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Thursday | 80°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 15 mph NW | 12% |
| Friday | 74°F | Sunny | 10 to 15 mph N | 0% |
| Friday Night | 50°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Saturday | 70°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph N | 16% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 10 mph N | 12% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Sunday Night | 45°F | Mostly Clear | 0 to 5 mph N | 8% |
| Monday | 72°F | Sunny | 0 to 5 mph NE | 3% |
| Monday Night | 46°F | Mostly Clear | 0 to 5 mph E | 1% |
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.