St. Augustine Weather Forecast
- 76
- 86
Thunderstorms
- 77
- 88
Chance Thunderstorms
- 76
- 89
Chance Thunderstorms
- 78
- 91
Chance Thunderstorms
- 79
- 93
Chance Thunderstorms
- 78
- 93
Chance Thunderstorms
Today 23 Jul Southeast Coastal St. Johns
Mostly cloudy. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.
Tonight 23 Jul Southeast Coastal St. Johns
Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the mid 70s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.
St. Augustine Temperature Statistics
July Temperature
Northeast Florida Regional Airport (4.3 miles)
Lowest 1 July, 2025
71.1 °FAverage July
80.7 °FHighest 20 July, 2025
91.9 °F
Climate (2020–Present)
Northeast Florida Regional Airport (4.3 miles)
Average Low 2020–2025
63.8 °FAverage 2020–2025
70.8 °FAverage High 2020–2025
78 °F