diff --git a/homeassistant/helpers/condition.py b/homeassistant/helpers/condition.py
index 82839d1e0f8..473641b10a4 100644
--- a/homeassistant/helpers/condition.py
+++ b/homeassistant/helpers/condition.py
@@ -171,8 +171,8 @@ async def async_not_from_config(
 def numeric_state(
     hass: HomeAssistant,
     entity: Union[None, str, State],
-    below: Optional[float] = None,
-    above: Optional[float] = None,
+    below: Optional[Union[float, str]] = None,
+    above: Optional[Union[float, str]] = None,
     value_template: Optional[Template] = None,
     variables: TemplateVarsType = None,
 ) -> bool:
@@ -192,8 +192,8 @@ def numeric_state(
 def async_numeric_state(
     hass: HomeAssistant,
     entity: Union[None, str, State],
-    below: Optional[float] = None,
-    above: Optional[float] = None,
+    below: Optional[Union[float, str]] = None,
+    above: Optional[Union[float, str]] = None,
     value_template: Optional[Template] = None,
     variables: TemplateVarsType = None,
     attribute: Optional[str] = None,
@@ -233,11 +233,29 @@ def async_numeric_state(
         )
         return False
 
-    if below is not None and fvalue >= below:
-        return False
+    if below is not None:
+        if isinstance(below, str):
+            below_entity = hass.states.get(below)
+            if (
+                not below_entity
+                or below_entity.state in (STATE_UNAVAILABLE, STATE_UNKNOWN)
+                or fvalue >= float(below_entity.state)
+            ):
+                return False
+        elif fvalue >= below:
+            return False
 
-    if above is not None and fvalue <= above:
-        return False
+    if above is not None:
+        if isinstance(above, str):
+            above_entity = hass.states.get(above)
+            if (
+                not above_entity
+                or above_entity.state in (STATE_UNAVAILABLE, STATE_UNKNOWN)
+                or fvalue <= float(above_entity.state)
+            ):
+                return False
+        elif fvalue <= above:
+            return False
 
     return True
 
diff --git a/homeassistant/helpers/config_validation.py b/homeassistant/helpers/config_validation.py
index cc8adea81da..c3842c538d8 100644
--- a/homeassistant/helpers/config_validation.py
+++ b/homeassistant/helpers/config_validation.py
@@ -906,8 +906,12 @@ NUMERIC_STATE_CONDITION_SCHEMA = vol.All(
             vol.Required(CONF_CONDITION): "numeric_state",
             vol.Required(CONF_ENTITY_ID): entity_ids,
             vol.Optional(CONF_ATTRIBUTE): str,
-            CONF_BELOW: vol.Coerce(float),
-            CONF_ABOVE: vol.Coerce(float),
+            CONF_BELOW: vol.Any(
+                vol.Coerce(float), vol.All(str, entity_domain("input_number"))
+            ),
+            CONF_ABOVE: vol.Any(
+                vol.Coerce(float), vol.All(str, entity_domain("input_number"))
+            ),
             vol.Optional(CONF_VALUE_TEMPLATE): template,
         }
     ),
diff --git a/tests/helpers/test_condition.py b/tests/helpers/test_condition.py
index dcd652913e5..3f25ab598d5 100644
--- a/tests/helpers/test_condition.py
+++ b/tests/helpers/test_condition.py
@@ -505,6 +505,62 @@ async def test_numberic_state_attribute(hass):
     assert not test(hass)
 
 
+async def test_numeric_state_using_input_number(hass):
+    """Test numeric_state conditions using input_number entities."""
+    await async_setup_component(
+        hass,
+        "input_number",
+        {
+            "input_number": {
+                "low": {"min": 0, "max": 255, "initial": 10},
+                "high": {"min": 0, "max": 255, "initial": 100},
+            }
+        },
+    )
+
+    test = await condition.async_from_config(
+        hass,
+        {
+            "condition": "and",
+            "conditions": [
+                {
+                    "condition": "numeric_state",
+                    "entity_id": "sensor.temperature",
+                    "below": "input_number.high",
+                    "above": "input_number.low",
+                },
+            ],
+        },
+    )
+
+    hass.states.async_set("sensor.temperature", 42)
+    assert test(hass)
+
+    hass.states.async_set("sensor.temperature", 10)
+    assert not test(hass)
+
+    hass.states.async_set("sensor.temperature", 100)
+    assert not test(hass)
+
+    await hass.services.async_call(
+        "input_number",
+        "set_value",
+        {
+            "entity_id": "input_number.high",
+            "value": 101,
+        },
+        blocking=True,
+    )
+    assert test(hass)
+
+    assert not condition.async_numeric_state(
+        hass, entity="sensor.temperature", below="input_number.not_exist"
+    )
+    assert not condition.async_numeric_state(
+        hass, entity="sensor.temperature", above="input_number.not_exist"
+    )
+
+
 async def test_zone_multiple_entities(hass):
     """Test with multiple entities in condition."""
     test = await condition.async_from_config(