Saint Johns River - Chicopit Bay Weather Forecast
- 59
- 63
Slight Chance Rain Showers
- 63
- 72
Chance Thunderstorms
- 48
- 70
Partly Sunny
- 52
- 66
Mostly Sunny
- 55
- 69
Mostly Sunny
- 57
- 66
Partly Sunny
- 54
- 69
Mostly Sunny
Today 17 Dec Coastal Duval
Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.
Tonight 17 Dec Coastal Duval
Cloudy with a 20 percent chance of Showers. Lows in the upper 50s. Northeast Winds around 5 Mph.
Saint Johns River - Chicopit Bay Temperature Statistics
December Temperature
Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)
Lowest 12 December, 2025
44.1 °FAverage December
57.6 °FHighest 5 December, 2025
80.1 °F
Climate (2020–Present)
Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)
Average Low 2020–2025
65.6 °FAverage 2020–2025
72.7 °FAverage High 2020–2025
80 °F