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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.