O Tempo
Weather forecast for October 4, 2026
The Portuguese Institute of Sea and Atmosphere forecasts showers and possible thunderstorms for the Mafra area on October 4, 2026. Skies will be partly cloudy with light rain expected. Daytime temperatures will range between 18 and 27 degrees Celsius, while nighttime lows will fall to 17 degrees. Winds will remain light from the northeast.