Saint Augustine, FL Weather - Tomorrow’s Forecast

Wednesday

Mostly sunny

High:
93°F

A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 107. Southwest wind 6 to 10 mph becoming south in the afternoon.

Wednesday Night

Slight chance of thunderstorms

Overnight low:
78°F

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.