Isolated Rainshowers and Thunderstorms for Northern Luzon

The PAGASA regional forecast issued at 5:00 AM on September 14, 2026 says, Northern Luzon will experience partly cloudy to cloudy skies with isolated rainshowers or thunderstorms due to localized weather disturbances. This daily weather outlook indicates that while no major storms are currently threatening the country, localized thunderstorms will bring brief rain periods. Temperatures across the region are expected to range between 25°C and 32°C.

In La Union, local communities can expect these isolated rainshowers to bring temporary relief from the heat, though sudden downpours may occur in the afternoon or evening. Coastal towns, including popular surf spots in San Juan and fishing communities in Bauang, will experience light to moderate sea conditions. Winds in the province will blow from the northeast to north at light to moderate speeds, making coastal waters generally safe for small seacraft.

The state weather bureau highlighted several key details for the day’s weather pattern:

• Temperatures will peak at 32°C during the day and drop to a cool 25°C at night.
• Wind directions will primarily come from the northeast to north.
• Coastal waters will remain slight to moderate, which is favorable for local fishermen but requires standard caution during sudden thunderstorms.

While La Union remains clear of severe weather warnings, neighboring Ilocos Norte is under a thunderstorm watch, and parts of Batanes and Cagayan are experiencing moderate to heavy rains. The current weather outlook suggests these stable but slightly wet conditions in the Ilocos Region will persist until Thursday, September 17, 2026, with temperatures hovering around 24°C to 33°C.

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SOURCE: PAGASA