Friday begins chilly. Temperatures drop to 10 degrees Celsius. Mornings are brisk. Afternoons get moderate. Skies clear and autumnal. Daily variations are large. Inland areas see 10 to 15 degrees difference. Early hours need a thin coat. People get ready for chilly starts. Later, the sun takes over. Morning chill disappears rapidly. Sunny skies heat the day. Inland regions see the biggest swing.