JACKSONVILLE, Fla -- The "Friday Night Blitz" -- High School Football -- will be chilly tonight under mostly clear skies and at least only light winds. Temperatures will quickly fall through the 50s into the 40s. Similar weather story for the "Basketball Classic" at Navy Station Mayport so bundle up. Despite the chilly nights, the weekend will be beautiful! Afternoon highs will reach well into the 70s and -- by Sunday -- close to 80 inland. Beaches will be a little cooler due to onshore east winds.