Saint Johns River Mouth Weather Forecast
- 70
- 77
Partly Sunny
- 72
- 78
Slight Chance Thunderstorms
- 70
- 79
Chance Rain Showers
- 70
- 75
Chance Rain Showers
- 69
- 73
Slight Chance Rain Showers
Today 1 May Coastal Duval
Mostly sunny. Highs in the lower 80s. Southeast Winds 10 to 15 Mph.
Tonight 1 May Coastal Duval
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southeast Winds 10 to 15 Mph.
Saint Johns River Mouth Temperature Statistics
May Temperature
Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)
Average Low 2020–2025
65.5 °FAverage 2020–2025
72.4 °FAverage High 2020–2025
79.8 °F