Lamar, TX Weather & Growing Conditions
Today
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 109. South southeast wind 3 to 13 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 3 to 13 mph SSE | 2% |
| Tonight | 79°F | Mostly Clear | 5 to 12 mph SSE | 1% |
| Wednesday | 93°F | Sunny | 5 to 12 mph SSE | 1% |
| Wednesday Night | 78°F | Mostly Clear | 5 to 12 mph SSE | 1% |
| Thursday | 94°F | Sunny | 3 to 12 mph SSE | 4% |
| Thursday Night | 78°F | Mostly Clear | 2 to 12 mph SSE | 4% |
| Friday | 93°F | Sunny | 1 to 10 mph SSE | 12% |
| Friday Night | 77°F | Mostly Clear | 0 to 10 mph SE | 9% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms | 0 to 9 mph E | 18% |
| Saturday Night | 77°F | Mostly Clear | 1 to 9 mph SSE | 8% |
| Sunday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph SSE | 15% |
| Sunday Night | 78°F | Partly Cloudy | 5 to 10 mph SSE | 12% |
| Monday | 93°F | Mostly Sunny | 3 to 12 mph SSE | 10% |
| Monday Night | 78°F | Mostly Clear | 7 to 12 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lamar, TX
Last spring frost
Feb 20
First fall frost
Dec 2
Growing season
284 days
Hardiness zone
9b
Explore more for Lamar, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Port Aransas 32 Nne, Tx (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.