Lamar, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamar, a community in Aransas County, Texas.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Northeast wind around 7 mph.
7-day forecast for Lamar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 7 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 5 mph ESE | 0% |
| Thursday | 82°F | Mostly Sunny | 5 to 9 mph E | 8% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 8 mph NE | 46% |
| Friday | 79°F | Mostly Sunny | 8 to 14 mph N | 10% |
| Friday Night | 60°F | Partly Cloudy | 8 to 12 mph NNE | 1% |
| Saturday | 77°F | Partly Sunny then Slight Chance Rain Showers | 14 mph NNE | 15% |
| Saturday Night | 60°F | Chance Rain Showers | 16 to 24 mph NE | 50% |
| Sunday | 69°F | Rain Showers Likely | 16 to 24 mph NNE | 59% |
| Sunday Night | 57°F | Chance Rain Showers | 12 to 16 mph NNE | 29% |
| Monday | 70°F | Slight Chance Rain Showers | 9 to 13 mph NNE | 23% |
| Monday Night | 58°F | Slight Chance Rain Showers | 5 to 8 mph NNE | 15% |
| Tuesday | 72°F | Mostly Sunny | 5 to 8 mph NNE | 12% |
| Tuesday Night | 60°F | Slight Chance Rain Showers | 2 to 6 mph NE | 15% |
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.