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St. Augustine, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for St. Augustine, a city in St. Johns County, Florida.

This Afternoon
79°F
Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. East wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

7-day forecast for St. Augustine

WhenTempForecastWindPrecip
This Afternoon 79°F Slight Chance Rain Showers 17 mph E 15%
Tonight 73°F Slight Chance Rain Showers 12 to 15 mph E 22%
Wednesday 79°F Mostly Sunny 10 mph E 9%
Wednesday Night 69°F Mostly Cloudy 2 to 7 mph SE 12%
Thursday 80°F Sunny 1 to 8 mph E 7%
Thursday Night 68°F Patchy Fog 2 to 6 mph S 7%
Friday 80°F Patchy Fog then Slight Chance Showers And Thunderstorms 2 to 7 mph S 16%
Friday Night 66°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph SW 16%
Saturday 77°F Mostly Sunny 8 mph N 11%
Saturday Night 63°F Partly Cloudy 3 to 7 mph N 11%
Sunday 74°F Mostly Sunny 9 mph N 11%
Sunday Night 62°F Mostly Cloudy 8 to 12 mph N 14%
Monday 71°F Slight Chance Rain Showers 15 mph N 17%
Monday Night 60°F Slight Chance Rain Showers then Mostly Clear 13 mph N 17%

Forecast source: National Weather Service (api.weather.gov) for St. Augustine (29.896, -81.311). Updated through the day.

Growing snapshot for St. Augustine

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

More local growing data for St. Augustine: nearby ZIP 32084 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). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.