diff --git a/homeassistant/components/weather/openweathermap.py b/homeassistant/components/weather/openweathermap.py
index 0c876d9e2d7486..9787cd2df5d755 100644
--- a/homeassistant/components/weather/openweathermap.py
+++ b/homeassistant/components/weather/openweathermap.py
@@ -131,7 +131,7 @@ def humidity(self):
     @property
     def wind_speed(self):
         """Return the wind speed."""
-        return self.data.get_wind().get('speed')
+        return round(self.data.get_wind().get('speed') * 3.6, 2)
 
     @property
     def wind_bearing(self):