Bundle Up, River City: Frosty Mornings and Crisp Sun Define Monday’s Outlook

A Drastic Shift in the Atmosphere

Jacksonville residents are waking up to a starkly different environment this Monday, February 23, 2026. After a weekend that saw temperatures soaring into the mid-80s across Duval County, a powerful dry cold front has swept through the region, leaving a significantly cooler air mass in its wake. The lead story for today is the sharp temperature drop, as the thermometer struggle to reach even the 60-degree mark despite the presence of full sunshine. For those who grew accustomed to the early spring-like warmth of the past few days, today serves as a firm reminder that winter is not quite finished with North Florida.

Morning: A Frigid Wake-Up Call

The morning commute will require the heavy coats and scarves that many residents likely tucked away last week. In the early hours, temperatures across Jacksonville and its surrounding neighborhoods are hovering in a chilly range between 33°F and 41°F. In more inland areas away from the St. Johns River, light patchy frost is possible as the mercury dips near the freezing mark. Fortunately, there is no precipitation expected this morning, meaning drivers will deal with dry roads and excellent visibility. Winds are currently light but originating from the north, adding a noticeable wind chill factor to the early morning air.

Afternoon: Bright Skies, Cool Breezes

As we move into the afternoon, the sky will remain a vibrant, cloudless blue. However, do not let the sunshine deceive you; the high temperature is forecast to peak at a modest 57°F to 59°F. This is nearly 30 degrees cooler than the record-threatening highs witnessed over the weekend. Despite the cool temperatures, the UV index remains moderately high at a level 6, so sun protection is still recommended for those spending extended time outdoors. Humidity levels are expected to remain very low, hovering around 30 percent, which will give the air a crisp, dry quality typical of a continental polar air mass. There are no rain warnings or wind advisories currently in effect, though a steady breeze of 10 to 15 mph may persist through the mid-afternoon.

Evening: Clear Skies and a Rapid Chill

Once the sun sets at approximately 6:18 PM, the temperature will drop rapidly. By 8:00 PM, Jacksonville can expect the mercury to fall back into the mid-40s, eventually bottoming out at an overnight low of 37°F. With clear skies and calm winds predicted for the overnight hours, radiational cooling will be at its peak. Residents are encouraged to ensure that sensitive outdoor plants are covered and that pets have a warm place to sleep. Looking ahead, this cool trend is expected to persist into Tuesday morning before a gradual warming trend begins later in the week. For now, enjoy the clear, crisp start to the work week and keep your jackets close at hand.