Expires:202601051500;;799556 FPUS52 KJAX 050003 ZFPJAX Zone Forecast Product for Northeast Florida and Southeast Georgia National Weather Service Jacksonville FL 702 PM EST Sun Jan 4 2026 FLZ030-051500- Union- Including the city of Lake Butler 702 PM EST Sun Jan 4 2026 .TONIGHT...Mostly cloudy. Areas of fog after midnight. Lows in the mid 40s. Northeast winds around 5 mph. .MONDAY...Mostly cloudy in the morning, then becoming mostly sunny. Areas of fog in the morning. Not as cool with highs in the lower 70s. Northeast winds around 5 mph. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 50. Light and variable winds. .TUESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Southwest winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. .THURSDAY...Partly sunny. Highs in the upper 70s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the mid 50s. Highs around 80. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance of showers. Lows in the upper 50s. Highs in the lower 70s. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening. Cooler with lows in the mid 40s. Chance of rain 20 percent. .SUNDAY...Partly sunny. Cooler with highs in the lower 60s. $$