diff --git a/homeassistant/components/buienradar/const.py b/homeassistant/components/buienradar/const.py
index 8111f63c923..718812c5c73 100644
--- a/homeassistant/components/buienradar/const.py
+++ b/homeassistant/components/buienradar/const.py
@@ -14,10 +14,10 @@ CONF_TIMEFRAME = "timeframe"
 SUPPORTED_COUNTRY_CODES = ["NL", "BE"]
 DEFAULT_COUNTRY = "NL"
 
-"""Schedule next call after (minutes)."""
 SCHEDULE_OK = 10
-"""When an error occurred, new call after (minutes)."""
+"""Schedule next call after (minutes)."""
 SCHEDULE_NOK = 2
+"""When an error occurred, new call after (minutes)."""
 
 STATE_CONDITIONS = ["clear", "cloudy", "fog", "rainy", "snowy", "lightning"]
 
diff --git a/homeassistant/components/buienradar/sensor.py b/homeassistant/components/buienradar/sensor.py
index 00740eb4801..fe3ce3164fe 100644
--- a/homeassistant/components/buienradar/sensor.py
+++ b/homeassistant/components/buienradar/sensor.py
@@ -714,17 +714,18 @@ async def async_setup_entry(
         timeframe,
     )
 
+    # create weather entities:
     entities = [
         BrSensor(config.get(CONF_NAME, "Buienradar"), coordinates, description)
         for description in SENSOR_TYPES
     ]
 
-    async_add_entities(entities)
-
+    # create weather data:
     data = BrData(hass, coordinates, timeframe, entities)
-    # schedule the first update in 1 minute from now:
-    await data.schedule_update(1)
     hass.data[DOMAIN][entry.entry_id][Platform.SENSOR] = data
+    await data.async_update()
+
+    async_add_entities(entities)
 
 
 class BrSensor(SensorEntity):
@@ -755,7 +756,7 @@ class BrSensor(SensorEntity):
     @callback
     def data_updated(self, data: BrData):
         """Update data."""
-        if self.hass and self._load_data(data.data):
+        if self._load_data(data.data) and self.hass:
             self.async_write_ha_state()
 
     @callback
diff --git a/homeassistant/components/buienradar/util.py b/homeassistant/components/buienradar/util.py
index 9d0c2a575c9..3c50b3097cb 100644
--- a/homeassistant/components/buienradar/util.py
+++ b/homeassistant/components/buienradar/util.py
@@ -27,7 +27,7 @@ from buienradar.constants import (
 from buienradar.urls import JSON_FEED_URL, json_precipitation_forecast_url
 
 from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE
-from homeassistant.core import CALLBACK_TYPE
+from homeassistant.core import CALLBACK_TYPE, callback
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.event import async_track_point_in_utc_time
 from homeassistant.util import dt as dt_util
@@ -77,7 +77,8 @@ class BrData:
         for dev in self.devices:
             dev.data_updated(self)
 
-    async def schedule_update(self, minute=1):
+    @callback
+    def async_schedule_update(self, minute=1):
         """Schedule an update after minute minutes."""
         _LOGGER.debug("Scheduling next update in %s minutes", minute)
         nxt = dt_util.utcnow() + timedelta(minutes=minute)
@@ -110,7 +111,7 @@ class BrData:
             if resp is not None:
                 await resp.release()
 
-    async def async_update(self, *_):
+    async def _async_update(self):
         """Update the data from buienradar."""
         content = await self.get_data(JSON_FEED_URL)
 
@@ -123,9 +124,7 @@ class BrData:
                 content.get(MESSAGE),
                 content.get(STATUS_CODE),
             )
-            # schedule new call
-            await self.schedule_update(SCHEDULE_NOK)
-            return
+            return None
         self.load_error_count = 0
 
         # rounding coordinates prevents unnecessary redirects/calls
@@ -143,9 +142,7 @@ class BrData:
                 raincontent.get(MESSAGE),
                 raincontent.get(STATUS_CODE),
             )
-            # schedule new call
-            await self.schedule_update(SCHEDULE_NOK)
-            return
+            return None
         self.rain_error_count = 0
 
         result = parse_data(
@@ -164,12 +161,21 @@ class BrData:
                     "Unable to parse data from Buienradar. (Msg: %s)",
                     result.get(MESSAGE),
                 )
-            await self.schedule_update(SCHEDULE_NOK)
+            return None
+
+        return result[DATA]
+
+    async def async_update(self, *_):
+        """Update the data from buienradar and schedule the next update."""
+        data = await self._async_update()
+
+        if data is None:
+            self.async_schedule_update(SCHEDULE_NOK)
             return
 
-        self.data = result.get(DATA)
+        self.data = data
         await self.update_devices()
-        await self.schedule_update(SCHEDULE_OK)
+        self.async_schedule_update(SCHEDULE_OK)
 
     @property
     def attribution(self):
diff --git a/homeassistant/components/buienradar/weather.py b/homeassistant/components/buienradar/weather.py
index cdb8adf1dac..66c3b23ec8b 100644
--- a/homeassistant/components/buienradar/weather.py
+++ b/homeassistant/components/buienradar/weather.py
@@ -82,6 +82,11 @@ CONDITION_CLASSES = {
     ATTR_CONDITION_WINDY_VARIANT: (),
     ATTR_CONDITION_EXCEPTIONAL: (),
 }
+CONDITION_MAP = {
+    cond_code: cond_ha
+    for cond_ha, cond_codes in CONDITION_CLASSES.items()
+    for cond_code in cond_codes
+}
 
 
 async def async_setup_entry(
@@ -106,20 +111,10 @@ async def async_setup_entry(
     # create weather data:
     data = BrData(hass, coordinates, DEFAULT_TIMEFRAME, entities)
     hass.data[DOMAIN][entry.entry_id][Platform.WEATHER] = data
-
-    # create condition helper
-    if DATA_CONDITION not in hass.data[DOMAIN]:
-        cond_keys = [str(chr(x)) for x in range(97, 123)]
-        hass.data[DOMAIN][DATA_CONDITION] = dict.fromkeys(cond_keys)
-        for cond, condlst in CONDITION_CLASSES.items():
-            for condi in condlst:
-                hass.data[DOMAIN][DATA_CONDITION][condi] = cond
+    await data.async_update()
 
     async_add_entities(entities)
 
-    # schedule the first update in 1 minute from now:
-    await data.schedule_update(1)
-
 
 class BrWeather(WeatherEntity):
     """Representation of a weather condition."""
@@ -143,9 +138,6 @@ class BrWeather(WeatherEntity):
     @callback
     def data_updated(self, data: BrData) -> None:
         """Update data."""
-        if not self.hass:
-            return
-
         self._attr_attribution = data.attribution
         self._attr_condition = self._calc_condition(data)
         self._attr_forecast = self._calc_forecast(data)
@@ -158,22 +150,20 @@ class BrWeather(WeatherEntity):
         self._attr_native_visibility = data.visibility
         self._attr_native_wind_speed = data.wind_speed
         self._attr_wind_bearing = data.wind_bearing
+
+        if not self.hass:
+            return
         self.async_write_ha_state()
 
     def _calc_condition(self, data: BrData):
         """Return the current condition."""
-        if (
-            data.condition
-            and (ccode := data.condition.get(CONDCODE))
-            and (conditions := self.hass.data[DOMAIN].get(DATA_CONDITION))
-        ):
-            return conditions.get(ccode)
+        if data.condition and (ccode := data.condition.get(CONDCODE)):
+            return CONDITION_MAP.get(ccode)
         return None
 
     def _calc_forecast(self, data: BrData):
         """Return the forecast array."""
         fcdata_out = []
-        cond = self.hass.data[DOMAIN][DATA_CONDITION]
 
         if not data.forecast:
             return None
@@ -181,10 +171,10 @@ class BrWeather(WeatherEntity):
         for data_in in data.forecast:
             # remap keys from external library to
             # keys understood by the weather component:
-            condcode = data_in.get(CONDITION, []).get(CONDCODE)
+            condcode = data_in.get(CONDITION, {}).get(CONDCODE)
             data_out = {
                 ATTR_FORECAST_TIME: data_in.get(DATETIME).isoformat(),
-                ATTR_FORECAST_CONDITION: cond[condcode],
+                ATTR_FORECAST_CONDITION: CONDITION_MAP.get(condcode),
                 ATTR_FORECAST_NATIVE_TEMP_LOW: data_in.get(MIN_TEMP),
                 ATTR_FORECAST_NATIVE_TEMP: data_in.get(MAX_TEMP),
                 ATTR_FORECAST_NATIVE_PRECIPITATION: data_in.get(RAIN),
diff --git a/tests/components/buienradar/test_sensor.py b/tests/components/buienradar/test_sensor.py
index 725b03a6cc5..fb83d7a13db 100644
--- a/tests/components/buienradar/test_sensor.py
+++ b/tests/components/buienradar/test_sensor.py
@@ -1,4 +1,6 @@
 """The tests for the Buienradar sensor platform."""
+from http import HTTPStatus
+
 from homeassistant.components.buienradar.const import DOMAIN
 from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE
 from homeassistant.core import HomeAssistant
@@ -18,6 +20,9 @@ async def test_smoke_test_setup_component(
     aioclient_mock: AiohttpClientMocker, hass: HomeAssistant
 ) -> None:
     """Smoke test for successfully set-up with default config."""
+    aioclient_mock.get(
+        "https://data.buienradar.nl/2.0/feed/json", status=HTTPStatus.NOT_FOUND
+    )
     mock_entry = MockConfigEntry(domain=DOMAIN, unique_id="TEST_ID", data=TEST_CFG_DATA)
 
     mock_entry.add_to_hass(hass)
diff --git a/tests/components/buienradar/test_weather.py b/tests/components/buienradar/test_weather.py
index c8b0d459b78..d4c4af5f62a 100644
--- a/tests/components/buienradar/test_weather.py
+++ b/tests/components/buienradar/test_weather.py
@@ -1,4 +1,6 @@
 """The tests for the buienradar weather component."""
+from http import HTTPStatus
+
 from homeassistant.components.buienradar.const import DOMAIN
 from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE
 from homeassistant.core import HomeAssistant
@@ -13,6 +15,9 @@ async def test_smoke_test_setup_component(
     aioclient_mock: AiohttpClientMocker, hass: HomeAssistant
 ) -> None:
     """Smoke test for successfully set-up with default config."""
+    aioclient_mock.get(
+        "https://data.buienradar.nl/2.0/feed/json", status=HTTPStatus.NOT_FOUND
+    )
     mock_entry = MockConfigEntry(domain=DOMAIN, unique_id="TEST_ID", data=TEST_CFG_DATA)
 
     mock_entry.add_to_hass(hass)