Fernandina Beach Municipal Airport Weather Forecast
- 71
- 85
Partly Sunny
- 73
- 85
Mostly Sunny
- 73
- 84
Mostly Sunny
- 74
- 83
Chance Thunderstorms
- 74
- 82
Chance Thunderstorms
- 74
- 83
Chance Thunderstorms
Today 17 Sep Coastal Nassau
Mostly sunny. Highs in the mid 80s. East Winds 5 to 10 Mph.
Tonight 17 Sep Coastal Nassau
Partly cloudy in the Evening, then clearing. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.
Fernandina Beach Municipal Airport Temperature Statistics
September Temperature
Fernandina Beach Municipal Airport (0 miles)
Lowest 4 September, 2025
69.8 °FAverage September
77.6 °FHighest 6 September, 2025
87.8 °F
Climate (2020–Present)
Fernandina Beach Municipal Airport (0 miles)
Average Low 2020–2025
62.3 °FAverage 2020–2025
69.6 °FAverage High 2020–2025
77.7 °F