Weather Forecast: Tropical Storm Watch Issued for Cape & Islands

From the NBC10 Boston First Alert Weather Center.. Today (Thursday): Sun to increasing late day clouds. Highs in the 70s. Overnight Thursday Night: Mostly cloudy. Lows around 50. Friday: Mostly cloudy, late Cape showers, rain & coastal wind on the north side of Hurricane Dorian at night. Highs near 70. Cape Cod Radio Forecast Today (Thursday): Sun to increasing clouds. Highs around 70. Overnight Thursday Night: Mostly cloudy. Lows 55-60. Friday: Cloudy with showers arriving by evening on the north side of Hurricane Dorian, then overnight heavy rain and northeast wind gusts 40-50 mph possible. Waves 12 to 15 feet over South Coastal waters at night. Highs near 70.