Fair weather and cloudy skies were observed in Metro Manila, seen from Pasig City on Friday, 4 April 2025. Areas with temperatures between 33°C and 41°C fall under the “extreme caution” category. PAGASA said heat cramps and heat exhaustion are likely risks under this heat index level. The weather bureau advises the public to limit outdoor activity, stay hydrated, and wear light clothing to avoid heat-related illnesses. In Metro Manila, a heat index as high as 38°C is expected in NAIA, Pasay City, while Science Garden, Quezon City, could reach 40°C.