diff --git a/homeassistant/components/justnimbus/__init__.py b/homeassistant/components/justnimbus/__init__.py
index 123807d887c..5f369027b00 100644
--- a/homeassistant/components/justnimbus/__init__.py
+++ b/homeassistant/components/justnimbus/__init__.py
@@ -2,15 +2,14 @@
 
 from __future__ import annotations
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed
 
-from .const import DOMAIN, PLATFORMS
-from .coordinator import JustNimbusCoordinator
+from .const import PLATFORMS
+from .coordinator import JustNimbusConfigEntry, JustNimbusCoordinator
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: JustNimbusConfigEntry) -> bool:
     """Set up JustNimbus from a config entry."""
     if "zip_code" in entry.data:
         coordinator = JustNimbusCoordinator(hass, entry)
@@ -18,13 +17,11 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         raise ConfigEntryAuthFailed
     await coordinator.async_config_entry_first_refresh()
 
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = coordinator
+    entry.runtime_data = coordinator
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, entry: JustNimbusConfigEntry) -> bool:
     """Unload a config entry."""
-    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        hass.data[DOMAIN].pop(entry.entry_id)
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/justnimbus/coordinator.py b/homeassistant/components/justnimbus/coordinator.py
index a6945c45417..b51058a8e54 100644
--- a/homeassistant/components/justnimbus/coordinator.py
+++ b/homeassistant/components/justnimbus/coordinator.py
@@ -16,13 +16,17 @@ from .const import CONF_ZIP_CODE, DOMAIN
 
 _LOGGER = logging.getLogger(__name__)
 
+type JustNimbusConfigEntry = ConfigEntry[JustNimbusCoordinator]
+
 
 class JustNimbusCoordinator(DataUpdateCoordinator[justnimbus.JustNimbusModel]):
     """Data update coordinator."""
 
-    config_entry: ConfigEntry
+    config_entry: JustNimbusConfigEntry
 
-    def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry) -> None:
+    def __init__(
+        self, hass: HomeAssistant, config_entry: JustNimbusConfigEntry
+    ) -> None:
         """Initialize the coordinator."""
         super().__init__(
             hass,
diff --git a/homeassistant/components/justnimbus/sensor.py b/homeassistant/components/justnimbus/sensor.py
index 1e288e272cd..88f12cad113 100644
--- a/homeassistant/components/justnimbus/sensor.py
+++ b/homeassistant/components/justnimbus/sensor.py
@@ -12,7 +12,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONF_CLIENT_ID,
     EntityCategory,
@@ -24,8 +23,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import StateType
 
-from . import JustNimbusCoordinator
-from .const import DOMAIN
+from .coordinator import JustNimbusConfigEntry, JustNimbusCoordinator
 from .entity import JustNimbusEntity
 
 
@@ -102,16 +100,15 @@ SENSOR_TYPES = (
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    entry: ConfigEntry,
+    entry: JustNimbusConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up the JustNimbus sensor."""
-    coordinator: JustNimbusCoordinator = hass.data[DOMAIN][entry.entry_id]
     async_add_entities(
         JustNimbusSensor(
             device_id=entry.data[CONF_CLIENT_ID],
             description=description,
-            coordinator=coordinator,
+            coordinator=entry.runtime_data,
         )
         for description in SENSOR_TYPES
     )