diff --git a/custom_components/met_next_6_hours_forecast/weather.py b/custom_components/met_next_6_hours_forecast/weather.py
index 59ca285..e0a6d22 100755
--- a/custom_components/met_next_6_hours_forecast/weather.py
+++ b/custom_components/met_next_6_hours_forecast/weather.py
@@ -183,7 +183,9 @@ async def async_update(self):
                         native_precipitation=details["precipitation_amount"],
                         precipitation_probability=details[
                             "probability_of_precipitation"
-                        ],
+                        ]
+                        if "probability_of_precipitation" in details
+                        else None,
                         datetime=time,
                         condition=condition,
                         native_pressure=current["air_pressure_at_sea_level"],