diff --git a/homeassistant/components/isy994.py b/homeassistant/components/isy994.py
index 0539469f198..7451b3286f7 100644
--- a/homeassistant/components/isy994.py
+++ b/homeassistant/components/isy994.py
@@ -4,6 +4,7 @@ Support the ISY-994 controllers.
 For configuration details please visit the documentation for this component at
 https://home-assistant.io/components/isy994/
 """
+from collections import namedtuple
 import logging
 from urllib.parse import urlparse
 import voluptuous as vol
@@ -47,6 +48,7 @@ CONFIG_SCHEMA = vol.Schema({
 }, extra=vol.ALLOW_EXTRA)
 
 SENSOR_NODES = []
+WEATHER_NODES = []
 NODES = []
 GROUPS = []
 PROGRAMS = {}
@@ -59,6 +61,9 @@ SUPPORTED_DOMAINS = ['binary_sensor', 'cover', 'fan', 'light', 'lock',
                      'sensor', 'switch']
 
 
+WeatherNode = namedtuple('WeatherNode', ('status', 'name', 'uom'))
+
+
 def filter_nodes(nodes: list, units: list=None, states: list=None) -> list:
     """Filter a list of ISY nodes based on the units and states provided."""
     filtered_nodes = []
@@ -132,6 +137,17 @@ def _categorize_programs() -> None:
                         PROGRAMS[component].append(program)
 
 
+def _categorize_weather() -> None:
+    """Categorize the ISY994 weather data."""
+    global WEATHER_NODES
+
+    climate_attrs = dir(ISY.climate)
+    WEATHER_NODES = [WeatherNode(getattr(ISY.climate, attr), attr,
+                                 getattr(ISY.climate, attr + '_units'))
+                     for attr in climate_attrs
+                     if attr + '_units' in climate_attrs]
+
+
 def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the ISY 994 platform."""
     isy_config = config.get(DOMAIN)
@@ -178,6 +194,9 @@ def setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
     _categorize_programs()
 
+    if ISY.configuration.get('Weather Information'):
+        _categorize_weather()
+
     # Listen for HA stop to disconnect.
     hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, stop)
 
diff --git a/homeassistant/components/sensor/isy994.py b/homeassistant/components/sensor/isy994.py
index df3ae9ed7ba..d35c76b81dc 100644
--- a/homeassistant/components/sensor/isy994.py
+++ b/homeassistant/components/sensor/isy994.py
@@ -251,6 +251,9 @@ def setup_platform(hass, config: ConfigType,
             _LOGGER.debug('LOADING %s', node.name)
             devices.append(ISYSensorDevice(node))
 
+    for node in isy.WEATHER_NODES:
+        devices.append(ISYWeatherDevice(node))
+
     add_devices(devices)
 
 
@@ -309,3 +312,47 @@ class ISYSensorDevice(isy.ISYDevice):
             return self.hass.config.units.temperature_unit
         else:
             return raw_units
+
+
+class ISYWeatherDevice(isy.ISYDevice):
+    """Representation of an ISY994 weather device."""
+
+    _domain = 'sensor'
+
+    def __init__(self, node) -> None:
+        """Initialize the ISY994 weather device."""
+        isy.ISYDevice.__init__(self, node)
+
+    @property
+    def unique_id(self) -> str:
+        """Return the unique identifier for the node."""
+        return self._node.name
+
+    @property
+    def raw_units(self) -> str:
+        """Return the raw unit of measurement."""
+        if self._node.uom == 'F':
+            return TEMP_FAHRENHEIT
+        if self._node.uom == 'C':
+            return TEMP_CELSIUS
+        return self._node.uom
+
+    @property
+    def state(self) -> object:
+        """Return the value of the node."""
+        # pylint: disable=protected-access
+        val = self._node.status._val
+        raw_units = self._node.uom
+
+        if raw_units in [TEMP_CELSIUS, TEMP_FAHRENHEIT]:
+            return self.hass.config.units.temperature(val, raw_units)
+        return val
+
+    @property
+    def unit_of_measurement(self) -> str:
+        """Return the unit of measurement for the node."""
+        raw_units = self.raw_units
+
+        if raw_units in [TEMP_CELSIUS, TEMP_FAHRENHEIT]:
+            return self.hass.config.units.temperature_unit
+        return raw_units