Lamar, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamar, a community in Aransas County, Texas.
Tonight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. North wind around 8 mph.
7-day forecast for Lamar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 8 mph N | 8% |
| Wednesday | 79°F | Sunny | 6 to 9 mph NE | 0% |
| Wednesday Night | 64°F | Mostly Clear | 5 mph ESE | 6% |
| Thursday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph ESE | 22% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 2 to 12 mph NE | 65% |
| Friday | 79°F | Slight Chance Showers And Thunderstorms then Sunny | 7 to 15 mph N | 19% |
| Friday Night | 61°F | Partly Cloudy | 8 to 14 mph N | 8% |
| Saturday | 74°F | Chance Rain Showers | 14 mph NNE | 35% |
| Saturday Night | 59°F | Chance Rain Showers | 13 to 16 mph NNE | 27% |
| Sunday | 72°F | Slight Chance Rain Showers then Mostly Sunny | 10 to 16 mph NNE | 16% |
| Sunday Night | 58°F | Partly Cloudy | 7 to 10 mph N | 9% |
| Monday | 72°F | Sunny | 9 mph NNE | 5% |
| Monday Night | 59°F | Partly Cloudy | 7 mph ENE | 2% |
| Tuesday | 75°F | Mostly Sunny | 5 to 8 mph E | 4% |
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.