FPUS52 KJAX ZFPJAX ZONE FORECAST PRODUCT FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA NATIONAL WEATHER SERVICE JACKSONVILLE FL Eastern Alachua- Including the cities of Gainesville, Gainesville Airport, and Newnans Lake 227 PM EDT Thu Sep 18 2025 .TONIGHT...Partly cloudy this evening, then clearing. Patchy fog after midnight. Lows in the mid 60s. East winds 5 to 10 mph, becoming northeast after midnight. .FRIDAY...Patchy fog in the morning. Sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the upper 60s. Northeast winds 5 to 10 mph. .SATURDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northeast winds 10 to 15 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 20 percent. .MONDAY THROUGH TUESDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 40 percent. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 40 percent.