A generally fair weather pattern prevails over most of the Philippines today, December 5, as the northeast monsoon and shearline influence the weather.
The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) assured that there are no low pressure areas (LPAs) or storms within or outside the Philippine Area of Responsibility (PAR).
Rhea Torres, PAGASA weather forecaster, shared that the shearline—a convergence of cold winds from the northeast monsoon and warm, moist winds from the Pacific—continues to affect the eastern parts of Northern Luzon.
“Itong linya ng mga kaulapan ay sanhi ng shearline, at dahil dito, consistent ang maulap na panahon at kalat-kalat na pag-ulan sa hilagang Luzon,” she said.
Cagayan Valley, the Cordillera Administrative Region, and Ilocos Norte are forecasted to experience cloudy skies with scattered rain showers and thunderstorms due to the shear line’s influence. PAGASA warned of possible flooding in low-lying areas and landslides in upland regions.
Batanes, still affected by the northeast monsoon, will see overcast skies and light rain, while other parts of Luzon, including Central Luzon, Metro Manila, and the Bicol Region, will enjoy fair weather with brief localized thunderstorms during the afternoon or evening.
Meanwhile, Palawan, Visayas, and Mindanao can expect warm and mostly sunny conditions, with temperatures peaking between 32 to 35 degrees Celsius. However, brief rain showers due to localized thunderstorms remain possible, especially in the late afternoon.
Puerto Princesa’s temperature will range from 25 to 33 degrees Celsius, while Metro Davao may reach a sweltering 35 degrees Celsius.
PAGASA reiterated its rainfall advisory for Cagayan, Isabela, Apayao, and Kalinga, where moderate to heavy rains (50-100 millimeters) are expected over the next two to three days.
“Doble ingat sa ating mga kababayan sa mga flood-prone areas, lalo na’t may posibilidad ng pagbaha at landslides,” Torres added.
Seafarers and small vessel operators are advised to be cautious due to moderate to rough seas in Northern Luzon, although no gale warning has been issued. Calm seas are expected for most parts of the country, allowing fishing and travel activities to proceed with ease.



