Harman US

St. Augustine, FL Weather & Growing Conditions

This Afternoon
81°F
Slight Chance Rain Showers
A slight chance of rain showers. Sunny. High near 81, with temperatures falling to around 77 in the afternoon. East wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 81°F Slight Chance Rain Showers 15 mph E 15%
Tonight 72°F Slight Chance Rain Showers 9 to 14 mph E 21%
Wednesday 81°F Partly Sunny 7 to 10 mph E 8%
Wednesday Night 68°F Mostly Cloudy 1 to 6 mph SE 12%
Thursday 82°F Sunny 1 to 8 mph E 8%
Thursday Night 67°F Patchy Fog 5 mph S 8%
Friday 82°F Patchy Fog then Slight Chance Showers And Thunderstorms 2 to 7 mph SW 17%
Friday Night 63°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph SW 17%
Saturday 79°F Mostly Sunny 7 mph N 11%
Saturday Night 60°F Partly Cloudy 5 mph N 11%
Sunday 75°F Mostly Sunny 5 to 8 mph N 12%
Sunday Night 60°F Mostly Cloudy 8 mph N 14%
Monday 72°F Slight Chance Rain Showers 9 to 13 mph N 16%
Monday Night 57°F Slight Chance Rain Showers then Mostly Clear 9 mph N 16%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for St. Augustine, FL

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

Explore more for St. Augustine, FL: full frost dates · planting calendar · Florida frost dates

Climate data from the nearest NOAA station, St Augustine Lighthouse, Fl (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.