Nassau Sound - Simpson Creek Entrance Weather Forecast
- 47
- 56
Decreasing Clouds
- 49
- 65
Mostly Sunny
- 47
- 62
Sunny
- 51
- 64
Mostly Sunny
- 55
- 68
Partly Sunny
- 53
- 69
Partly Sunny
Today 9 Dec Coastal Duval
Mostly sunny. Highs in the upper 50s. North Winds 10 to 15 Mph.
Tonight 9 Dec Coastal Duval
Mostly clear. Lows in the lower 40s. North Winds 5 to 10 Mph.
Nassau Sound - Simpson Creek Entrance Temperature Statistics
December Temperature
Mayport Naval Station - Adm David L. McDonald Field (6.2 miles)
Lowest 4 December, 2025
48 °FAverage December
61.5 °FHighest 5 December, 2025
80.1 °F
Climate (2020–Present)
Mayport Naval Station - Adm David L. McDonald Field (6.2 miles)
Average Low 2020–2025
65.6 °FAverage 2020–2025
72.7 °FAverage High 2020–2025
80.1 °F