Boca Raton is forecast to experience a gray and damp end to the week with a high probability of scattered showers throughout the day. Friday will bring persistent cloud cover and a high of 70 degrees, with intermittent rain likely limiting sunshine across South Palm Beach County. BOCA RATON, Fla. — A canopy of clouds will define the weather landscape for South Palm Beach County on Friday, Jan. 30, marking a gloomy conclusion to the work week. Unlike the bright skies of previous days, cloud cover is expected to reach 99 percent, virtually eliminating sunshine. The chance of rain will diminish to 25 percent after sunset, leaving behind mostly cloudy skies as temperatures slide into the low 60s.