Saint Johns River Mouth Weather Forecast
- 79
- 85
Mostly Sunny
- 79
- 85
Slight Chance Thunderstorms
- 79
- 86
Chance Thunderstorms
- 79
- 87
Chance Thunderstorms
- 79
- 87
Chance Thunderstorms
Today 2 Jul Coastal Duval
Mostly sunny with a 20 percent chance of Showers. Highs around 90. Northeast Winds 10 to 15 Mph.
Tonight 2 Jul Coastal Duval
Mostly clear. Lows in the mid 70s. East Winds around 5 Mph.
Saint Johns River Mouth Temperature Statistics
July Temperature
Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)
Lowest
–Average July
–Highest
–
Climate (2021–2026)
Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)
Average Low 2021–2026
65.6 °FAverage 2021–2026
72.7 °FAverage High 2021–2026
80 °F