Forecast for San Juan on August 18, 2025: What's the climate prediction?
In San Juan, the city of Puerto Rico, residents are advised to take precautions during heavy rain on August 18. According to the World Meteorological Organization (WMO) and the National System for Integral Risk Management (Sinagir), heavy rain can pose significant risks, including flash floods, landslides, and flooding.
Here are some key recommendations for staying safe during heavy rain in San Juan:
- Avoid walking or driving through flooded streets due to the risk of flash floods and landslides.
- Seek shelter in designated safe areas or government shelters prepared for emergencies.
- Monitor alerts and warnings from meteorological and risk management authorities for updated information.
- Secure personal belongings and take safety measures to protect property from flood damage.
- Coordinate with emergency services and follow instructions from local authorities to minimize risks.
Sinagir advises staying away from coastal areas and riverbanks during heavy rain. It is also recommended to avoid putting out the trash and removing objects that impede water flow during heavy rain. If traveling by car, it is safer to stay inside as cars offer excellent protection.
Residents are urged to avoid taking shelter under power poles or power lines during heavy rain. In case of a risk of water entering the house during heavy rain, Sinagir recommends cutting off the electrical supply.
The weather in San Juan on August 18 has a 10 to 40 percent chance of rain. Winds in San Juan will blow from the east at speeds between 7 and 12 kilometers per hour in the morning, and between 13 and 22 kilometers per hour after midday and at night.
The city will experience isolated showers in the morning, and after midday, the temperature will range around 15 degrees. At night, the temperature will be around 13 degrees.
Sinagir recommends always having an emergency backpack ready with a flashlight, radio, documents, and phone during heavy rain. It is also essential to stay indoors and avoid unnecessary travel during heavy rains.
Having emergency supplies such as food, water, and a flashlight ready, keeping communication devices charged, and moving to higher ground if flooding occurs are other general practices to manage risks from heavy rain and associated hazards like flooding and landslides in San Juan and similar tropical regions.
These practices align with standard recommendations issued by meteorological and civil protection agencies to ensure safety during heavy rain events in San Juan and other tropical regions.
- It's advisable for residents to keep a close eye on weather-forecasting updates from the World Meteorological Organization (WMO) and Sinagir, given the 10 to 40 percent chance of rain in San Juan on August 18.
- In addition to staying indoors and avoiding unnecessary travel, the company Sinagir suggests having an emergency backpack ready with essential items like a flashlight, radio, documents, and phone for safety during heavy rain in San Juan and similar tropical regions.
