Weather forecast for: Saint Augustine FL
Last Update: 5:11 am EDT Sep 12, 2026
Today: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 88. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 76. South wind 3 to 7 mph.
Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Light and variable wind becoming east 5 to 8 mph in the morning.
Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. South wind 5 to 7 mph becoming light and variable after midnight.
Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Monday Night: Partly cloudy, with a low around 77.
Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. Breezy.
Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 77. Windy. Chance of precipitation is 40%.
Wednesday: A 30 percent chance of showers, mainly after 8am. Partly sunny, with a high near 84. Very windy.
Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Windy.
Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Windy.
Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.