diff --git a/homeassistant/components/environment_canada/weather.py b/homeassistant/components/environment_canada/weather.py
index b79323b0462..40706ffb6c1 100644
--- a/homeassistant/components/environment_canada/weather.py
+++ b/homeassistant/components/environment_canada/weather.py
@@ -17,14 +17,19 @@ from homeassistant.components.weather import (
     ATTR_CONDITION_SUNNY,
     ATTR_CONDITION_WINDY,
     ATTR_FORECAST_CONDITION,
+    ATTR_FORECAST_NATIVE_TEMP,
+    ATTR_FORECAST_NATIVE_TEMP_LOW,
     ATTR_FORECAST_PRECIPITATION_PROBABILITY,
-    ATTR_FORECAST_TEMP,
-    ATTR_FORECAST_TEMP_LOW,
     ATTR_FORECAST_TIME,
     WeatherEntity,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import TEMP_CELSIUS
+from homeassistant.const import (
+    LENGTH_KILOMETERS,
+    PRESSURE_KPA,
+    SPEED_KILOMETERS_PER_HOUR,
+    TEMP_CELSIUS,
+)
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -63,6 +68,11 @@ async def async_setup_entry(
 class ECWeather(CoordinatorEntity, WeatherEntity):
     """Representation of a weather condition."""
 
+    _attr_native_pressure_unit = PRESSURE_KPA
+    _attr_native_temperature_unit = TEMP_CELSIUS
+    _attr_native_visibility_unit = LENGTH_KILOMETERS
+    _attr_native_wind_speed_unit = SPEED_KILOMETERS_PER_HOUR
+
     def __init__(self, coordinator, hourly):
         """Initialize Environment Canada weather."""
         super().__init__(coordinator)
@@ -78,7 +88,7 @@ class ECWeather(CoordinatorEntity, WeatherEntity):
         self._hourly = hourly
 
     @property
-    def temperature(self):
+    def native_temperature(self):
         """Return the temperature."""
         if (
             temperature := self.ec_data.conditions.get("temperature", {}).get("value")
@@ -92,11 +102,6 @@ class ECWeather(CoordinatorEntity, WeatherEntity):
             return float(temperature)
         return None
 
-    @property
-    def temperature_unit(self):
-        """Return the unit of measurement."""
-        return TEMP_CELSIUS
-
     @property
     def humidity(self):
         """Return the humidity."""
@@ -105,7 +110,7 @@ class ECWeather(CoordinatorEntity, WeatherEntity):
         return None
 
     @property
-    def wind_speed(self):
+    def native_wind_speed(self):
         """Return the wind speed."""
         if self.ec_data.conditions.get("wind_speed", {}).get("value"):
             return float(self.ec_data.conditions["wind_speed"]["value"])
@@ -119,14 +124,14 @@ class ECWeather(CoordinatorEntity, WeatherEntity):
         return None
 
     @property
-    def pressure(self):
+    def native_pressure(self):
         """Return the pressure."""
         if self.ec_data.conditions.get("pressure", {}).get("value"):
-            return 10 * float(self.ec_data.conditions["pressure"]["value"])
+            return float(self.ec_data.conditions["pressure"]["value"])
         return None
 
     @property
-    def visibility(self):
+    def native_visibility(self):
         """Return the visibility."""
         if self.ec_data.conditions.get("visibility", {}).get("value"):
             return float(self.ec_data.conditions["visibility"]["value"])
@@ -175,16 +180,16 @@ def get_forecast(ec_data, hourly):
         if half_days[0]["temperature_class"] == "high":
             today.update(
                 {
-                    ATTR_FORECAST_TEMP: int(half_days[0]["temperature"]),
-                    ATTR_FORECAST_TEMP_LOW: int(half_days[1]["temperature"]),
+                    ATTR_FORECAST_NATIVE_TEMP: int(half_days[0]["temperature"]),
+                    ATTR_FORECAST_NATIVE_TEMP_LOW: int(half_days[1]["temperature"]),
                 }
             )
             half_days = half_days[2:]
         else:
             today.update(
                 {
-                    ATTR_FORECAST_TEMP: None,
-                    ATTR_FORECAST_TEMP_LOW: int(half_days[0]["temperature"]),
+                    ATTR_FORECAST_NATIVE_TEMP: None,
+                    ATTR_FORECAST_NATIVE_TEMP_LOW: int(half_days[0]["temperature"]),
                 }
             )
             half_days = half_days[1:]
@@ -197,8 +202,8 @@ def get_forecast(ec_data, hourly):
                     ATTR_FORECAST_TIME: (
                         dt.now() + datetime.timedelta(days=day)
                     ).isoformat(),
-                    ATTR_FORECAST_TEMP: int(half_days[high]["temperature"]),
-                    ATTR_FORECAST_TEMP_LOW: int(half_days[low]["temperature"]),
+                    ATTR_FORECAST_NATIVE_TEMP: int(half_days[high]["temperature"]),
+                    ATTR_FORECAST_NATIVE_TEMP_LOW: int(half_days[low]["temperature"]),
                     ATTR_FORECAST_CONDITION: icon_code_to_condition(
                         int(half_days[high]["icon_code"])
                     ),
@@ -213,7 +218,7 @@ def get_forecast(ec_data, hourly):
             forecast_array.append(
                 {
                     ATTR_FORECAST_TIME: hour["period"].isoformat(),
-                    ATTR_FORECAST_TEMP: int(hour["temperature"]),
+                    ATTR_FORECAST_NATIVE_TEMP: int(hour["temperature"]),
                     ATTR_FORECAST_CONDITION: icon_code_to_condition(
                         int(hour["icon_code"])
                     ),