St. Augustine Shores, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Augustine Shores, a community in St. Johns County, Florida.
Today
90°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Mostly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Heat index values as high as 102. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. Augustine Shores
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 45% |
| Tonight | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 10 mph S | 56% |
| Wednesday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 10 mph S | 36% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 10 mph SE | 32% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 1 to 13 mph SE | 35% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph E | 28% |
| Friday | 89°F | Showers And Thunderstorms Likely | 7 to 16 mph E | 60% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 5 to 15 mph E | 40% |
| Saturday | 89°F | Showers And Thunderstorms Likely | 5 to 12 mph SE | 57% |
| Saturday Night | 75°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 to 9 mph SE | 57% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 9 mph SE | 34% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph SE | 34% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph SE | 23% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph S | 23% |
Forecast source: National Weather Service (api.weather.gov) for St. Augustine Shores (29.806, -81.312). Updated through the day.
Growing snapshot for St. Augustine Shores
Last spring frost
Feb 1
First fall frost
Jan 5
Growing season
334 days
Hardiness zone
9b
More local growing data for St. Augustine Shores: nearby ZIP 32080 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, St Augustine Lighthouse, Fl (5 mi from St. Augustine Shores). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.