San Antonio, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Antonio, a city in Pasco County, Florida.
Today
89°F
Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms
Scattered showers and thunderstorms before noon, then a chance of showers and thunderstorms between noon and 3pm, then scattered showers and thunderstorms. Partly sunny. High near 89, with temperatures falling to around 85 in the afternoon. Heat index values as high as 97. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for San Antonio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 68% |
| Tonight | 73°F | Scattered Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph S | 34% |
| Wednesday | 92°F | Partly Sunny then Scattered Showers And Thunderstorms | 1 to 5 mph SSE | 48% |
| Wednesday Night | 73°F | Scattered Showers And Thunderstorms then Mostly Cloudy | 3 mph ESE | 50% |
| Thursday | 93°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph E | 70% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph ENE | 70% |
| Friday | 93°F | Isolated Showers And Thunderstorms | 7 to 13 mph ENE | 72% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 5 to 9 mph E | 72% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph ESE | 72% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 5 mph ESE | 72% |
| Sunday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SE | 57% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 5 mph ESE | 57% |
| Monday | 95°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 41% |
| Monday Night | 74°F | Scattered Showers And Thunderstorms then Partly Cloudy | 3 mph SE | 41% |
Forecast source: National Weather Service (api.weather.gov) for San Antonio (28.340, -82.279). Updated through the day.
Growing snapshot for San Antonio
Last spring frost
Jan 31
First fall frost
Jan 8
Growing season
336 days
Hardiness zone
9b
More local growing data for San Antonio: nearby ZIP 33574 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
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Pasadena Hills
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Zephyrhills
Zephyrhills North
Zephyrhills South
Climate data from the nearest NOAA station, Saint Leo, Fl (0.2 mi from San Antonio). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.