San Castle, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Castle, a community in Palm Beach County, Florida.
Tonight
76°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. North wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for San Castle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 76°F | Chance Showers And Thunderstorms | 3 mph N | 40% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 63% |
| Saturday Night | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 67% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 1 to 5 mph N | 94% |
| Sunday Night | 75°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 94% |
| Monday | 89°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 92% |
| Monday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 92% |
| Tuesday | 89°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 88% |
| Tuesday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 88% |
| Wednesday | 89°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 6 mph SE | 89% |
| Wednesday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 89% |
| Thursday | 88°F | Showers And Thunderstorms | 3 to 7 mph NW | 75% |
| Thursday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph N | 75% |
| Friday | 88°F | Chance Showers And Thunderstorms | 2 to 7 mph NE | 74% |
Forecast source: National Weather Service (api.weather.gov) for San Castle (26.565, -80.061). Updated through the day.
Growing snapshot for San Castle
Growing season
365 days
Hardiness zone
10b
More local growing data for San Castle: nearby ZIP 33462 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, West Palm Beach Intl Ap, Fl (7.7 mi from San Castle). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.