Cape Royale, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cape Royale, a community in San Jacinto County, Texas.
Today
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 102. Southeast wind 0 to 5 mph.
7-day forecast for Cape Royale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 0 to 5 mph SE | 1% |
| Tonight | 78°F | Mostly Clear | 5 mph S | 1% |
| Wednesday | 94°F | Sunny | 0 to 5 mph S | 6% |
| Wednesday Night | 78°F | Mostly Clear | 5 mph S | 4% |
| Thursday | 94°F | Sunny | 0 to 5 mph S | 4% |
| Thursday Night | 77°F | Mostly Clear | 5 to 10 mph S | 4% |
| Friday | 92°F | Sunny | 0 to 5 mph S | 14% |
| Friday Night | 76°F | Partly Cloudy | 0 to 5 mph S | 14% |
| Saturday | 91°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 15% |
| Saturday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 15% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 17% |
| Sunday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 17% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 25% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 25% |
Forecast source: National Weather Service (api.weather.gov) for Cape Royale (30.653, -95.131). Updated through the day.
Growing snapshot for Cape Royale
Last spring frost
Mar 1
First fall frost
Nov 24
Growing season
269 days
Hardiness zone
9a
More local growing data for Cape Royale: nearby ZIP 77331 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Livingston 2 Nne, Tx (17.5 mi from Cape Royale). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.