diff --git a/homeassistant/components/environment_canada/weather.py b/homeassistant/components/environment_canada/weather.py
index 9abbc33bc93..5301843fc0a 100644
--- a/homeassistant/components/environment_canada/weather.py
+++ b/homeassistant/components/environment_canada/weather.py
@@ -202,16 +202,17 @@ def get_forecast(ec_data, forecast_type):
                     ATTR_FORECAST_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_TEMP: int(half_days[1]["temperature"]),
                 }
             )
+            half_days = half_days[1:]
 
         forecast_array.append(today)
-        half_days = half_days[2:]
 
         for day, high, low in zip(range(1, 6), range(0, 9, 2), range(1, 10, 2)):
             forecast_array.append(