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