Expires:202512292000;;417107 FPUS52 KJAX 290529 ZFPJAX Zone Forecast Product for Northeast Florida and Southeast Georgia National Weather Service Jacksonville FL 1227 AM EST Mon Dec 29 2025 FLZ124-292000- Coastal Nassau- Including the cities of Amelia City, Fernandina Beach, and Yulee 1227 AM EST Mon Dec 29 2025 .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the mid 50s. Southwest winds around 5 mph. .MONDAY...Patchy fog in the morning. Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy. Much cooler with lows in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TUESDAY...Mostly sunny. Much cooler with highs in the lower 50s. Northwest winds 10 to 15 mph. .TUESDAY NIGHT...Clear. Widespread frost after midnight. Cold with lows in the lower 30s. Northwest winds 5 to 10 mph. .WEDNESDAY...Widespread frost in the morning. Sunny. Highs in the mid 50s. .WEDNESDAY NIGHT AND NEW YEARS DAY...Clear. Lows in the mid 30s. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy with a slight chance of showers after midnight. Lows around 50. Chance of rain 20 percent. .SATURDAY...Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers, mainly in the evening. Lows in the lower 50s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. Highs in the mid 60s. $$