Harman US

St. Augustine, FL Weather & Growing Conditions

Overnight
74°F
Mostly Cloudy
Mostly cloudy, with a low around 74. Northeast wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 74°F Mostly Cloudy 3 mph NE 1%
Saturday 88°F Slight Chance Showers And Thunderstorms 3 to 13 mph NE 21%
Saturday Night 75°F Partly Cloudy 1 to 10 mph E 14%
Sunday 87°F Slight Chance Showers And Thunderstorms 1 to 10 mph NE 26%
Sunday Night 74°F Slight Chance Showers And Thunderstorms 0 to 8 mph SE 18%
Monday 86°F Showers And Thunderstorms Likely 1 to 10 mph NE 59%
Monday Night 74°F Showers And Thunderstorms Likely 1 to 8 mph SE 59%
Tuesday 87°F Showers And Thunderstorms Likely 1 to 10 mph N 67%
Tuesday Night 74°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 1 to 8 mph NE 67%
Wednesday 86°F Showers And Thunderstorms Likely 1 to 13 mph N 67%
Wednesday Night 74°F Showers And Thunderstorms Likely 5 to 12 mph NE 67%
Thursday 85°F Showers And Thunderstorms Likely 8 to 21 mph NE 60%
Thursday Night 74°F Showers And Thunderstorms Likely 7 to 18 mph NE 60%
Friday 84°F Chance Rain Showers then Chance Showers And Thunderstorms 10 to 21 mph NE 44%

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 Sep 19, 2026.