The victim was struck by a tree in Montemor-o-Velho, Coimbra district in the north of the country, which is the most affected area by the storm.
But state broadcaster RTP says wind speeds reached 170 kph (105 mph) in the coastal town of Figueira da Foz, 200 kilometers (125 miles) north of Lisbon.
More than 15 thousand houses in Portugal were left without electricity because of the storm "Leslie".
The main motorway in Portugal was blocked by a fallen tree preventing services from traveling.
Luis Belo Costa of Portugal's National Protection Agency says Sunday those injuries were not life-threatening.
In Portugal cancelled three dozen flights and closed several highways and Railways.
Gusts of nearly 100km/h were recorded near the city of Zamora early on Sunday, but winds have now lessened. "People are very alarmed".
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Leslie was set to make landfall in the Lisbon area overnight on Saturday, by which time it is expected to have been downgraded to a tropical storm.
Leslie was dubbed a "zombie" hurricane as it first formed on Sept 23, only to meander through the Atlantic Ocean for weeks before making landfall.
These downpours were also fed by a conveyor belt of rain that linked up with Hurricane Leslie racing towards Portugal.
The storm is expected to become a post-tropical cyclone and dissipate by Sunday night or Monday.
The Category 1 storm was 500 kilometres (310 miles) southwest of Lisbon, the U.S. National Hurricane Center in Miami said.
It is rare for an Atlantic hurricane to reach the Iberian peninsula, with only five such events recorded.
Spain's Mediterranean island of Mallorca [Majorca] is still recovering from massive rainfalls and flash floods, especially in its eastern coastal regions, last Tuesday that killed 12 people, including tourists from Germany.