Alamo Beach, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alamo Beach, a community in Calhoun County, Texas.
Overnight
81°F
Clear
Clear, with a low around 81. Heat index values as high as 91. South southwest wind around 9 mph.
7-day forecast for Alamo Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 81°F | Clear | 9 mph SSW | 0% |
| Tuesday | 89°F | Sunny | 7 to 15 mph SSE | 2% |
| Tuesday Night | 82°F | Mostly Clear | 9 to 15 mph SSE | 1% |
| Wednesday | 89°F | Sunny | 8 to 14 mph SSE | 2% |
| Wednesday Night | 82°F | Mostly Clear | 8 to 14 mph SSE | 0% |
| Thursday | 89°F | Sunny | 7 to 15 mph SSE | 7% |
| Thursday Night | 81°F | Mostly Clear | 6 to 15 mph SSE | 7% |
| Friday | 89°F | Slight Chance Showers And Thunderstorms | 3 to 13 mph SSE | 19% |
| Friday Night | 80°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 to 13 mph SE | 16% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms | 2 to 13 mph SE | 20% |
| Saturday Night | 80°F | Mostly Clear | 5 to 13 mph SE | 13% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms | 3 to 13 mph SSE | 23% |
| Sunday Night | 81°F | Partly Cloudy | 6 to 13 mph SSE | 14% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms | 6 to 14 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov) for Alamo Beach (28.572, -96.564). Updated through the day.
Growing snapshot for Alamo Beach
Last spring frost
Feb 1
First fall frost
Dec 21
Growing season
321 days
Hardiness zone
9b
More local growing data for Alamo Beach: nearby ZIP 77979 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pt Comfort, Tx (5.1 mi from Alamo Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.