diff --git a/homeassistant/components/binary_sensor/bloomsky.py b/homeassistant/components/binary_sensor/bloomsky.py
index ecffb3accf3..971941f4dd6 100644
--- a/homeassistant/components/binary_sensor/bloomsky.py
+++ b/homeassistant/components/binary_sensor/bloomsky.py
@@ -50,6 +50,12 @@ class BloomSkySensor(BinarySensorDevice):
         self._sensor_name = sensor_name
         self._name = '{} {}'.format(device['DeviceName'], sensor_name)
         self._state = None
+        self._unique_id = '{}-{}'.format(self._device_id, self._sensor_name)
+
+    @property
+    def unique_id(self):
+        """Return a unique ID."""
+        return self._unique_id
 
     @property
     def name(self):
diff --git a/homeassistant/components/camera/bloomsky.py b/homeassistant/components/camera/bloomsky.py
index 01e20e3ccd3..1c9266ca3a7 100644
--- a/homeassistant/components/camera/bloomsky.py
+++ b/homeassistant/components/camera/bloomsky.py
@@ -53,6 +53,11 @@ class BloomSkyCamera(Camera):
 
         return self._last_image
 
+    @property
+    def unique_id(self):
+        """Return a unique ID."""
+        return self._id
+
     @property
     def name(self):
         """Return the name of this BloomSky device."""
diff --git a/homeassistant/components/sensor/bloomsky.py b/homeassistant/components/sensor/bloomsky.py
index 8926848102c..02cd456107f 100644
--- a/homeassistant/components/sensor/bloomsky.py
+++ b/homeassistant/components/sensor/bloomsky.py
@@ -63,6 +63,12 @@ class BloomSkySensor(Entity):
         self._sensor_name = sensor_name
         self._name = '{} {}'.format(device['DeviceName'], sensor_name)
         self._state = None
+        self._unique_id = '{}-{}'.format(self._device_id, self._sensor_name)
+
+    @property
+    def unique_id(self):
+        """Return a unique ID."""
+        return self._unique_id
 
     @property
     def name(self):