Add humidity to weather forecast (#95064)

* allow humidty in forecast

* Add tests

* float

---------

Co-authored-by: G Johansson <goran.johansson@shiftit.se>

homeassistant/components/weather/__init__.py

@@ -71,6 +71,7 @@ ATTR_CONDITION_WINDY = "windy"
 ATTR_CONDITION_WINDY_VARIANT = "windy-variant"
 ATTR_FORECAST = "forecast"
 ATTR_FORECAST_CONDITION: Final = "condition"
+ATTR_FORECAST_HUMIDITY: Final = "humidity"
 ATTR_FORECAST_NATIVE_PRECIPITATION: Final = "native_precipitation"
 ATTR_FORECAST_PRECIPITATION: Final = "precipitation"
 ATTR_FORECAST_PRECIPITATION_PROBABILITY: Final = "precipitation_probability"
@@ -125,6 +126,7 @@ class Forecast(TypedDict, total=False):
 
     condition: str | None
     datetime: Required[str]
+    humidity: float | None
     precipitation_probability: int | None
     cloud_coverage: int | None
     native_precipitation: float | None
@@ -869,6 +871,18 @@ class WeatherEntity(Entity):
                             ROUNDING_PRECISION,
                         )
 
+                if (
+                    forecast_humidity := forecast_entry.pop(
+                        ATTR_FORECAST_HUMIDITY,
+                        None,
+                    )
+                ) is not None:
+                    with suppress(TypeError, ValueError):
+                        forecast_humidity_f = float(forecast_humidity)
+                        forecast_entry[ATTR_FORECAST_HUMIDITY] = round(
+                            forecast_humidity_f
+                        )
+
                 forecast.append(forecast_entry)
 
             data[ATTR_FORECAST] = forecast

tests/components/weather/test_init.py

@@ -8,6 +8,7 @@ from homeassistant.components.weather import (
     ATTR_FORECAST,
     ATTR_FORECAST_APPARENT_TEMP,
     ATTR_FORECAST_DEW_POINT,
+    ATTR_FORECAST_HUMIDITY,
     ATTR_FORECAST_PRECIPITATION,
     ATTR_FORECAST_PRESSURE,
     ATTR_FORECAST_TEMP,
@@ -34,6 +35,7 @@ from homeassistant.components.weather import (
 from homeassistant.components.weather.const import (
     ATTR_WEATHER_CLOUD_COVERAGE,
     ATTR_WEATHER_DEW_POINT,
+    ATTR_WEATHER_HUMIDITY,
 )
 from homeassistant.const import (
     ATTR_FRIENDLY_NAME,
@@ -557,6 +559,21 @@ async def test_wind_bearing_ozone_and_cloud_coverage(
     assert float(state.attributes[ATTR_WEATHER_CLOUD_COVERAGE]) == 75
 
 
+async def test_humidity(
+    hass: HomeAssistant,
+    enable_custom_integrations: None,
+) -> None:
+    """Test humidity."""
+    humidity_value = 80.2
+
+    entity0 = await create_entity(hass, humidity=humidity_value)
+
+    state = hass.states.get(entity0.entity_id)
+    forecast = state.attributes[ATTR_FORECAST][0]
+    assert float(state.attributes[ATTR_WEATHER_HUMIDITY]) == 80
+    assert float(forecast[ATTR_FORECAST_HUMIDITY]) == 80
+
+
 async def test_none_forecast(
     hass: HomeAssistant,
     enable_custom_integrations: None,

tests/testing_config/custom_components/test/weather.py

@@ -6,6 +6,7 @@ from __future__ import annotations
 
 from homeassistant.components.weather import (
     ATTR_FORECAST_CLOUD_COVERAGE,
+    ATTR_FORECAST_HUMIDITY,
     ATTR_FORECAST_NATIVE_APPARENT_TEMP,
     ATTR_FORECAST_NATIVE_DEW_POINT,
     ATTR_FORECAST_NATIVE_PRECIPITATION,
@@ -223,6 +224,7 @@ class MockWeatherMockForecast(MockWeather):
                 ATTR_FORECAST_NATIVE_PRECIPITATION: self._values.get(
                     "native_precipitation"
                 ),
+                ATTR_FORECAST_HUMIDITY: self.humidity,
             }
         ]