30/10/2026
SPECIAL WEATHER OUTLOOK FOR UNDAS 2026
(30 October - 02 November 2026)
The Northeast Monsoon, Shear line, and Intertropical Convergence Zone (ITCZ) will be the dominant weather systems to affect the country during "Undas".
On Friday (October 30), the northeast monsoon will bring cloudy skies with isolated light rains over Batanes, Cagayan, Apayao, Abra, and Ilocos Norte. The shear line will bring cloudy skies with scattered rains and isolated thunderstorms over Isabela, Aurora, and Quezon. Meanwhile, mostly cloudy skies with scattered rains and thunderstorms are expected over Central Visayas, Zamboanga Peninsula, Northern Mindanao, Caraga, Southern Leyte, Negros Oriental, and Siquijor due to the ITCZ. Metro Manila and the rest of the country will have partly cloudy to cloudy skies, with a chance of localized rainshowers or thunderstorms, mostly in the afternoon or evening.
By Saturday (October 31), cloudy skies with rains will prevail over Batanes, Cagayan, and Isabela, while partly cloudy to cloudy skies with isolated light rains are expected over Ilocos Region, the rest of Cagayan Valley, and the rest of the Cordillera Administrative Region (CAR) due to the northeast monsoon. The shear line axis, which is expected to move slightly southward, will bring cloudy skies with scattered rains and isolated thunderstorms over Bicol Region, Aurora, Quezon, Northern Samar, Eastern Samar, and Samar. Meanwhile, the ITCZ will bring cloudy skies with scattered rains and thunderstorms over Palawan, Zamboanga Peninsula, Basilan, and Tawi-Tawi. Metro Manila and the rest of the archipelago will have partly cloudy to cloudy skies with isolated rainshowers or thunderstorms.
On Sunday (November 1), the shear line will bring mostly cloudy skies with scattered rains and isolated thunderstorms over Bicol Region, Aurora, and Quezon. Partly cloudy to cloudy skies with isolated light rains are still expected over Ilocos Region, Cagayan Valley, and CAR due to the northeast monsoon. The ITCZ will continue to bring mostly cloudy skies with scattered rains and thunderstorms over Palawan, Zamboanga Peninsula, Basilan, and Tawi-Tawi. Metro Manila and the rest of the country will experience partly cloudy to cloudy skies, with chances of localized rainshowers or thunderstorms.
On Monday (November 2), the northeast monsoon will bring partly cloudy to cloudy skies with isolated light rains over Metro Manila, Cagayan Valley, CAR, Ilocos Region, Central Luzon, Cavite, Batangas, and Laguna, and Rizal. The rest of the country will have partly cloudy to cloudy skies with isolated rainshowers or thunderstorms.
This weather outlook will be updated if significant changes in the weather pattern occur. For more information, please contact the Weather Divison at telephone number 8284-0800 loc. 4801, or log on to www.pagasa.dost.gov.ph.
Original Signed:
JUANITO S. GALANG
Chief, Weather Division
LINK: https://pagasa.dost.gov.ph/article/232
