This evening in San Mateo, residents are experiencing partly cloudy skies which are expected to turn fully cloudy after midnight. The forecast indicates a temperature drop to a low of 52°F (11°C) overnight. Accompanying this cooling will be winds blowing from the west at speeds between 10 and 20 mph. Such weather conditions are not unusual for this time of year, as the region commonly experiences fluctuating cloud cover and moderate winds during the spring season.