Harman US

St. Augustine, FL Weather & Growing Conditions

This Afternoon
88°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4pm. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. Northeast wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 88°F Slight Chance Showers And Thunderstorms 13 mph NE 21%
Tonight 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%
Friday Night 73°F Chance Showers And Thunderstorms 7 to 18 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.