Sunday
Mostly sunny
High:
91°F
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Southwest wind 6 to 10 mph becoming south in the afternoon.
Saint Augustine, FL Weather - Tomorrow’s Forecast
Sunday Night
Chance of thunderstorms
Overnight low:
77°F
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. Southwest wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.