Matanzas River Mouth (St Augustine Inlet) Weather Forecast
- 79
- 85
Chance Thunderstorms
- 78
- 85
Chance Thunderstorms
- 79
- 87
Mostly Sunny
- 80
- 89
Slight Chance Thunderstorms
- 80
- 90
Chance Thunderstorms
- 79
- 88
Chance Thunderstorms
Today 24 Jul Southeast Coastal St. Johns
Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs around 90. Southeast Winds 10 to 15 Mph. Chance of rain 30 percent. Heat index Values up to 107.
Tonight 24 Jul Southeast Coastal St. Johns
Mostly clear. A chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 30 percent.
Matanzas River Mouth (St Augustine Inlet) Temperature Statistics
July Temperature
Northeast Florida Regional Airport (4.3 miles)
Lowest 1 July, 2025
71.1 °FAverage July
80.7 °FHighest 21 July, 2025
93.9 °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