Lamar, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamar, a community in Aransas County, Texas.
Overnight
60°F
Clear
Clear, with a low around 60. North northeast wind around 9 mph.
7-day forecast for Lamar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Clear | 9 mph NNE | 0% |
| Wednesday | 78°F | Sunny | 5 to 9 mph NE | 0% |
| Wednesday Night | 63°F | Mostly Clear | 5 mph E | 4% |
| Thursday | 81°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 9 mph E | 15% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 2 to 8 mph NE | 46% |
| Friday | 79°F | Mostly Sunny | 7 to 14 mph N | 9% |
| Friday Night | 59°F | Partly Cloudy | 6 to 12 mph NNE | 0% |
| Saturday | 77°F | Partly Sunny | 12 mph NE | 11% |
| Saturday Night | 60°F | Chance Rain Showers | 14 to 21 mph NE | 32% |
| Sunday | 71°F | Chance Rain Showers | 13 to 21 mph NNE | 30% |
| Sunday Night | 57°F | Partly Cloudy | 7 to 12 mph NNE | 12% |
| Monday | 71°F | Mostly Sunny | 7 to 10 mph NE | 9% |
| Monday Night | 58°F | Partly Cloudy | 6 mph ENE | 2% |
| Tuesday | 74°F | Mostly Sunny | 7 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lamar (28.140, -96.988). Updated through the day.
Growing snapshot for Lamar
Last spring frost
Jan 23
First fall frost
Jan 1
Growing season
347 days
Hardiness zone
9b
More local growing data for Lamar: nearby ZIP 78382 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rockport Aransas Co Ap, Tx (2 mi from Lamar). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.