BBC Weather Centre - Country Guides: Trinidad and Tobago: Provides climate and weather information, facts and statistics about the country, along with five-day forecasts for major cities.
CNN Weather: Current conditions and forecast for Port-of-Spain.
NOAA NWS - Trinidad and Tobago: US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country.
Weather Underground - Trinidad and Tobago: Displays current conditions for all major cities on one page, with five-day forecast and more detailed information for each available.
Weather.com - Trinidad and Tobago: City-by-city weather reports and forecasts.