Friday kicks off chilly. Temperatures plummet to 10 degrees Celsius. Mornings are brisk. Afternoons get mild. Skies clear and fall-like. Daily gaps are large. Inland areas see 10 to 15 degrees difference. Early hours require a thin coat. People prepare for cool starts. Later, the sun takes over. Morning coolness evaporates quickly. Sunny skies heat the day. Inland regions see the most dramatic swing.