 In Maine weather today, sunshine and dry with highs from 66 to 72 in the north and mountains and 73 to 79 elsewhere. Tonight mainly clear with lows from 48 to 57. On Saturday, thickening clouds with showers arriving late across the mountains and highs from 69 to 78. Sunday, showers and thunderstorms with highs from 74 to 83. And on Monday, partly sunny with highs from 68 to 76.