Expires:202512290600;;380337 FPUS52 KJAX 281558 ZFPJAX Zone Forecast Product for Northeast Florida and Southeast Georgia National Weather Service Jacksonville FL 1057 AM EST Sun Dec 28 2025 FLZ030-290600- Union- Including the city of Lake Butler 1057 AM EST Sun Dec 28 2025 .THIS AFTERNOON...Partly sunny. Highs in the upper 70s. Southwest winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. Southwest winds around 5 mph. .MONDAY...Partly sunny. Widespread dense fog in the morning. A slight chance of showers in the afternoon. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. Much cooler. Less humid with lows in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly sunny. Much cooler with highs in the mid 50s. Northwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Patchy frost after midnight. Cold with lows in the upper 20s. .WEDNESDAY...Patchy frost in the morning. Sunny. Highs in the upper 50s. .WEDNESDAY NIGHT AND NEW YEARS DAY...Clear. Lows in the lower 30s. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming mostly cloudy. Lows in the upper 30s. .FRIDAY...Partly sunny. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Not as cool with lows in the upper 40s. Chance of rain 20 percent. .SATURDAY...Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$