Sunday
Hot
High:
95°F
Sunny and hot, with a high near 95. Heat index values as high as 109. West wind 5 to 8 mph becoming south in the afternoon.
Saint Augustine, FL Weather - Extended Forecast
Sunday Night
Partly cloudy
Overnight low:
77°F
Partly cloudy, with a low around 77. South wind 6 to 9 mph becoming southwest after midnight.
Monday
Chance of thunderstorms
High:
95°F
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.
Monday Night
Chance of thunderstorms
Overnight low:
76°F
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 76.
Tuesday
Chance of thunderstorms
High:
90°F
Tuesday Night
Thunderstorms likely
Overnight low:
76°F
Wednesday
Chance of thunderstorms
High:
89°F
Wednesday Night
Thunderstorms likely
Overnight low:
76°F
Thursday
Thunderstorms likely
High:
88°F
Thursday Night
Thunderstorms likely
Overnight low:
76°F
Friday
Slight chance of thunderstorms
High:
90°F