December 21, 2025 | News by PISD
24-HOUR PUBLIC WEATHER FORECAST
Issued at 4:00 AM, 21 December 2025
SYNOPSIS: Northeast Monsoon affecting Extreme Northern Luzon. Easterlies affecting the rest of the country.
Forecast Weather Conditions
Area: Cagayan and Isabela
Weather Condition: Cloudy skies with scattered rains and isolated thunderstorms
Caused By: Shear Line
Impacts: Possible flash floods or landslides due to moderate to at times heavy rains
Area: Visayas, MIMAROPA, Bicol Region, Aurora, Quezon, Dinagat Islands, Surigao del Norte, Surigao del Sur, and Davao Oriental
Weather Condition: Cloudy skies with scattered rains and thunderstorms
Caused By: Easterlies
Impacts: Possible flash floods or landslides due to moderate to at times heavy rains
Area: Batanes
Weather Condition: Cloudy skies with rains
Caused By: Northeast Monsoon
Impacts: Possible flash floods or landslides due to moderate to at times heavy rains
Area: Metro Manila and the rest of the country
Weather Condition: Partly cloudy to cloudy skies with isolated rainshowers or thunderstorms
Caused By: Easterlies
Impacts: Possible flash floods or landslides during severe thunderstorms
Forecast Wind and Coastal Water Conditions
Area: Extreme Northern Luzon
Wind Speed: Strong
Wind Direction: Northeast
Coastal Waters: Rough / (2.8 to 4.0 meters)
Area: The rest of Northern Luzon
Wind Speed: Moderate to Strong
Wind Direction: East to Northeast
Coastal Waters: Moderate to Rough / (2.1 to 3.4 meters)
Area: The rest of the country
Wind Speed: Light to Moderate
Wind Direction: East to Northeast
Coastal Waters: Slight to Moderate / (0.6 to 2.5 meters)
Extremes of Temperature and Relative Humidity for The 24-hour Period Ending 8:00 PM YESTERDAY
Minimum Temperature: 23.3 °C … 6:00 AM
Maximum Temperature: 30.6 °C… 11:00 AM
Minumum Relative Humidity: 62 % … 11:00 AM
Maximum Relative Humidity: 96 % … 5:00 AM
TIDES AND ASTRONOMICAL INFORMATION Over Metro Manila
sunrise today: 6:16AM
sunset today: 5:32PM
moonrise today: 7:10AM
moonset today: 6:32PM
illumination today: 2%
For other information about weather, please log on to pagasa.dost.gov.ph or bagong.pagasa.dost.gov.ph or call at (02)927-1335/(02)926-4258