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St. Augustine Beach, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for St. Augustine Beach, a city 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 84 in the afternoon. Heat index values as high as 102. South wind 6 to 13 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for St. Augustine Beach

WhenTempForecastWindPrecip
Today 90°F Mostly Sunny then Chance Showers And Thunderstorms 6 to 13 mph S 44%
Tonight 73°F Chance Showers And Thunderstorms then Partly Cloudy 5 to 13 mph S 52%
Wednesday 89°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 13 mph S 34%
Wednesday Night 75°F Chance Showers And Thunderstorms then Mostly Cloudy 2 to 14 mph SE 30%
Thursday 88°F Chance Showers And Thunderstorms 2 to 14 mph SE 35%
Thursday Night 76°F Chance Showers And Thunderstorms then Partly Cloudy 12 mph E 26%
Friday 88°F Showers And Thunderstorms Likely 9 to 18 mph E 58%
Friday Night 75°F Chance Showers And Thunderstorms 7 to 17 mph E 37%
Saturday 88°F Chance Showers And Thunderstorms 6 to 13 mph SE 53%
Saturday Night 75°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 10 mph SE 53%
Sunday 90°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 10 mph SE 32%
Sunday Night 75°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 9 mph SE 32%
Monday 91°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 9 mph SE 21%
Monday Night 75°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 to 9 mph S 21%

Forecast source: National Weather Service (api.weather.gov) for St. Augustine Beach (29.842, -81.271). Updated through the day.

Growing snapshot for St. Augustine Beach

Last spring frost
Feb 1
First fall frost
Jan 5
Growing season
334 days
Hardiness zone
9b

More local growing data for St. Augustine Beach: 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 Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.