MANILA, Philippines— Metro Manila, Central Luzon, Cavite, Laguna, Batangas, Rizal and Quezon, Bicol Region, Mindoro, Marinduque, Romblon and Palawan, and Western Visayas will have cloudy skies with scattered rains and thunderstorms due to the southwest monsoon, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) said.