The National Weather Service announced a frost advisory set to cast a chilly spell across Jacksonville. The alert, which remains in effect from 3 AM to 8 AM Thursday, cautions of temperatures dropping as low as 33 degrees Celsius, as per the NWS forecast.
The forecast for New Year's Day spoke of areas of frost in the morning before giving way to sunny skies while tonight promises to be mostly clear; the low spiraling down to around 42 for a crisp beginning to the first evening of 2026. The subtropical ambiance Jacksonville is accustomed to will seem a distant memory as residents pull their coats tighter, with wind chill values reminding them of the cold bite that welcomes the new calendar page.
As the week goes on, temperatures will slowly rise, bringing partly sunny skies and a comfortable high near 67 on Friday. However, the break won’t last long, as showers and thunderstorms are possible on Saturday, with a 70% chance of rain that could affect outdoor plans.
According to the NWS, frost could harm sensitive outdoor vegetation and advised residents to take protective measures for tender plants, a reminder to those who tender gardens that nature's hand remains unpredictable and often requires swift human intervention for preservation. This advisory holds particularly true for areas including Coastal Duval, Inland Flagler, and portions of St. Johns and Clay counties, which are bracing for this frosty reception.
The rest of the week is expected to bring more typical weather for Jacksonville, with highs near 67 on Monday and 70 on Tuesday, before warming up to around 74 on Wednesday.
