diff --git a/homeassistant/components/metoffice/sensor.py b/homeassistant/components/metoffice/sensor.py
index b707bf604e6..c6b9f96514b 100644
--- a/homeassistant/components/metoffice/sensor.py
+++ b/homeassistant/components/metoffice/sensor.py
@@ -241,7 +241,7 @@ class MetOfficeCurrentSensor(
 
         if (
             self.entity_description.native_attr_name == "significantWeatherCode"
-            and value
+            and value is not None
         ):
             value = CONDITION_MAP.get(value)
 
diff --git a/homeassistant/components/metoffice/weather.py b/homeassistant/components/metoffice/weather.py
index c7ce0db6c50..3496e88c046 100644
--- a/homeassistant/components/metoffice/weather.py
+++ b/homeassistant/components/metoffice/weather.py
@@ -180,7 +180,7 @@ class MetOfficeWeather(
         weather_now = self.coordinator.data.now()
         value = get_attribute(weather_now, "significantWeatherCode")
 
-        if value:
+        if value is not None:
             return CONDITION_MAP.get(value)
         return None