From ed17a81f501136a4b033d8ecc86fdfbcc45be94c Mon Sep 17 00:00:00 2001
From: Michael Thingnes <thimic@users.noreply.github.com>
Date: Tue, 22 Sep 2020 07:56:08 +1200
Subject: [PATCH] Validate Met.no forecast entries before passing them on to HA
 (#40400)

---
 homeassistant/components/met/weather.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/homeassistant/components/met/weather.py b/homeassistant/components/met/weather.py
index 3abd7638516..e4c64f9aeda 100644
--- a/homeassistant/components/met/weather.py
+++ b/homeassistant/components/met/weather.py
@@ -5,6 +5,8 @@ import voluptuous as vol
 
 from homeassistant.components.weather import (
     ATTR_FORECAST_CONDITION,
+    ATTR_FORECAST_TEMP,
+    ATTR_FORECAST_TIME,
     ATTR_WEATHER_HUMIDITY,
     ATTR_WEATHER_PRESSURE,
     ATTR_WEATHER_TEMPERATURE,
@@ -209,8 +211,11 @@ class MetWeather(CoordinatorEntity, WeatherEntity):
             met_forecast = self.coordinator.data.hourly_forecast
         else:
             met_forecast = self.coordinator.data.daily_forecast
+        required_keys = {ATTR_FORECAST_TEMP, ATTR_FORECAST_TIME}
         ha_forecast = []
         for met_item in met_forecast:
+            if not set(met_item).issuperset(required_keys):
+                continue
             ha_item = {
                 k: met_item[v] for k, v in FORECAST_MAP.items() if met_item.get(v)
             }