diff --git a/homeassistant/components/smhi/entity.py b/homeassistant/components/smhi/entity.py
new file mode 100644
index 00000000000..8d650d31945
--- /dev/null
+++ b/homeassistant/components/smhi/entity.py
@@ -0,0 +1,36 @@
+"""Support for the Swedish weather institute weather  base entities."""
+
+from __future__ import annotations
+
+import aiohttp
+from pysmhi import SMHIPointForecast
+
+from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
+from homeassistant.helpers.entity import Entity
+
+from .const import DOMAIN
+
+
+class SmhiWeatherBaseEntity(Entity):
+    """Representation of a base weather entity."""
+
+    _attr_attribution = "Swedish weather institute (SMHI)"
+    _attr_has_entity_name = True
+    _attr_name = None
+
+    def __init__(
+        self,
+        latitude: str,
+        longitude: str,
+        session: aiohttp.ClientSession,
+    ) -> None:
+        """Initialize the SMHI base weather entity."""
+        self._attr_unique_id = f"{latitude}, {longitude}"
+        self._smhi_api = SMHIPointForecast(longitude, latitude, session=session)
+        self._attr_device_info = DeviceInfo(
+            entry_type=DeviceEntryType.SERVICE,
+            identifiers={(DOMAIN, f"{latitude}, {longitude}")},
+            manufacturer="SMHI",
+            model="v2",
+            configuration_url="http://opendata.smhi.se/apidocs/metfcst/parameters.html",
+        )
diff --git a/homeassistant/components/smhi/weather.py b/homeassistant/components/smhi/weather.py
index a263eeb6174..b9cac9bdf2e 100644
--- a/homeassistant/components/smhi/weather.py
+++ b/homeassistant/components/smhi/weather.py
@@ -9,7 +9,7 @@ import logging
 from typing import Any, Final
 
 import aiohttp
-from pysmhi import SMHIForecast, SmhiForecastException, SMHIPointForecast
+from pysmhi import SMHIForecast, SmhiForecastException
 
 from homeassistant.components.weather import (
     ATTR_CONDITION_CLEAR_NIGHT,
@@ -55,12 +55,12 @@ from homeassistant.const import (
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import aiohttp_client, sun
-from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.event import async_call_later
 from homeassistant.util import Throttle
 
-from .const import ATTR_SMHI_THUNDER_PROBABILITY, DOMAIN, ENTITY_ID_SENSOR_FORMAT
+from .const import ATTR_SMHI_THUNDER_PROBABILITY, ENTITY_ID_SENSOR_FORMAT
+from .entity import SmhiWeatherBaseEntity
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -114,18 +114,14 @@ async def async_setup_entry(
     async_add_entities([entity], True)
 
 
-class SmhiWeather(WeatherEntity):
+class SmhiWeather(SmhiWeatherBaseEntity, WeatherEntity):
     """Representation of a weather entity."""
 
-    _attr_attribution = "Swedish weather institute (SMHI)"
     _attr_native_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_native_visibility_unit = UnitOfLength.KILOMETERS
     _attr_native_precipitation_unit = UnitOfPrecipitationDepth.MILLIMETERS
     _attr_native_wind_speed_unit = UnitOfSpeed.METERS_PER_SECOND
     _attr_native_pressure_unit = UnitOfPressure.HPA
-
-    _attr_has_entity_name = True
-    _attr_name = None
     _attr_supported_features = (
         WeatherEntityFeature.FORECAST_DAILY | WeatherEntityFeature.FORECAST_HOURLY
     )
@@ -137,18 +133,10 @@ class SmhiWeather(WeatherEntity):
         session: aiohttp.ClientSession,
     ) -> None:
         """Initialize the SMHI weather entity."""
-        self._attr_unique_id = f"{latitude}, {longitude}"
+        super().__init__(latitude, longitude, session)
         self._forecast_daily: list[SMHIForecast] | None = None
         self._forecast_hourly: list[SMHIForecast] | None = None
         self._fail_count = 0
-        self._smhi_api = SMHIPointForecast(longitude, latitude, session=session)
-        self._attr_device_info = DeviceInfo(
-            entry_type=DeviceEntryType.SERVICE,
-            identifiers={(DOMAIN, f"{latitude}, {longitude}")},
-            manufacturer="SMHI",
-            model="v2",
-            configuration_url="http://opendata.smhi.se/apidocs/metfcst/parameters.html",
-        )
 
     @property
     def extra_state_attributes(self) -> Mapping[str, Any] | None:
diff --git a/tests/components/smhi/test_weather.py b/tests/components/smhi/test_weather.py
index a39cb72d4b8..f47566f2d5c 100644
--- a/tests/components/smhi/test_weather.py
+++ b/tests/components/smhi/test_weather.py
@@ -110,7 +110,7 @@ async def test_properties_no_data(hass: HomeAssistant) -> None:
     entry.add_to_hass(hass)
 
     with patch(
-        "homeassistant.components.smhi.weather.SMHIPointForecast.async_get_daily_forecast",
+        "homeassistant.components.smhi.entity.SMHIPointForecast.async_get_daily_forecast",
         side_effect=SmhiForecastException("boom"),
     ):
         await hass.config_entries.async_setup(entry.entry_id)
@@ -215,11 +215,11 @@ async def test_properties_unknown_symbol(hass: HomeAssistant) -> None:
 
     with (
         patch(
-            "homeassistant.components.smhi.weather.SMHIPointForecast.async_get_daily_forecast",
+            "homeassistant.components.smhi.entity.SMHIPointForecast.async_get_daily_forecast",
             return_value=testdata,
         ),
         patch(
-            "homeassistant.components.smhi.weather.SMHIPointForecast.async_get_hourly_forecast",
+            "homeassistant.components.smhi.entity.SMHIPointForecast.async_get_hourly_forecast",
             return_value=None,
         ),
     ):
@@ -254,7 +254,7 @@ async def test_refresh_weather_forecast_retry(
     now = dt_util.utcnow()
 
     with patch(
-        "homeassistant.components.smhi.weather.SMHIPointForecast.async_get_daily_forecast",
+        "homeassistant.components.smhi.entity.SMHIPointForecast.async_get_daily_forecast",
         side_effect=error,
     ) as mock_get_forecast:
         await hass.config_entries.async_setup(entry.entry_id)