diff --git a/homeassistant/components/accuweather/weather.py b/homeassistant/components/accuweather/weather.py
index dba45d5c24f..72d717f2703 100644
--- a/homeassistant/components/accuweather/weather.py
+++ b/homeassistant/components/accuweather/weather.py
@@ -7,6 +7,7 @@ from typing import cast
 from homeassistant.components.weather import (
     ATTR_FORECAST_CLOUD_COVERAGE,
     ATTR_FORECAST_CONDITION,
+    ATTR_FORECAST_HUMIDITY,
     ATTR_FORECAST_NATIVE_APPARENT_TEMP,
     ATTR_FORECAST_NATIVE_PRECIPITATION,
     ATTR_FORECAST_NATIVE_TEMP,
@@ -183,6 +184,7 @@ class AccuWeatherEntity(
             {
                 ATTR_FORECAST_TIME: utc_from_timestamp(item["EpochDate"]).isoformat(),
                 ATTR_FORECAST_CLOUD_COVERAGE: item["CloudCoverDay"],
+                ATTR_FORECAST_HUMIDITY: item["RelativeHumidityDay"]["Average"],
                 ATTR_FORECAST_NATIVE_TEMP: item["TemperatureMax"][ATTR_VALUE],
                 ATTR_FORECAST_NATIVE_TEMP_LOW: item["TemperatureMin"][ATTR_VALUE],
                 ATTR_FORECAST_NATIVE_APPARENT_TEMP: item["RealFeelTemperatureMax"][
diff --git a/tests/components/accuweather/fixtures/forecast_data.json b/tests/components/accuweather/fixtures/forecast_data.json
index a7d57af113a..cd40705314b 100644
--- a/tests/components/accuweather/fixtures/forecast_data.json
+++ b/tests/components/accuweather/fixtures/forecast_data.json
@@ -76,6 +76,7 @@
       "Unit": "C",
       "UnitType": 17
     },
+    "RelativeHumidityDay": { "Average": 60 },
     "IconDay": 17,
     "IconPhraseDay": "Partly sunny w/ t-storms",
     "HasPrecipitationDay": true,
@@ -286,6 +287,7 @@
       "Unit": "C",
       "UnitType": 17
     },
+    "RelativeHumidityDay": { "Average": 58 },
     "IconDay": 4,
     "IconPhraseDay": "Intermittent clouds",
     "HasPrecipitationDay": false,
@@ -492,6 +494,7 @@
       "Unit": "C",
       "UnitType": 17
     },
+    "RelativeHumidityDay": { "Average": 52 },
     "IconDay": 4,
     "IconPhraseDay": "Intermittent clouds",
     "HasPrecipitationDay": false,
@@ -698,6 +701,7 @@
       "Unit": "C",
       "UnitType": 17
     },
+    "RelativeHumidityDay": { "Average": 65 },
     "IconDay": 3,
     "IconPhraseDay": "Partly sunny",
     "HasPrecipitationDay": false,
@@ -904,6 +908,7 @@
       "Unit": "C",
       "UnitType": 17
     },
+    "RelativeHumidityDay": { "Average": 55 },
     "IconDay": 4,
     "IconPhraseDay": "Intermittent clouds",
     "HasPrecipitationDay": false,
diff --git a/tests/components/accuweather/snapshots/test_weather.ambr b/tests/components/accuweather/snapshots/test_weather.ambr
index 1542d22aa7b..49bf4008884 100644
--- a/tests/components/accuweather/snapshots/test_weather.ambr
+++ b/tests/components/accuweather/snapshots/test_weather.ambr
@@ -7,6 +7,7 @@
         'cloud_coverage': 58,
         'condition': 'lightning-rainy',
         'datetime': '2020-07-26T05:00:00+00:00',
+        'humidity': 60,
         'precipitation': 2.5,
         'precipitation_probability': 60,
         'temperature': 29.5,
@@ -21,6 +22,7 @@
         'cloud_coverage': 52,
         'condition': 'partlycloudy',
         'datetime': '2020-07-27T05:00:00+00:00',
+        'humidity': 58,
         'precipitation': 0.0,
         'precipitation_probability': 25,
         'temperature': 26.2,
@@ -35,6 +37,7 @@
         'cloud_coverage': 65,
         'condition': 'partlycloudy',
         'datetime': '2020-07-28T05:00:00+00:00',
+        'humidity': 52,
         'precipitation': 0.0,
         'precipitation_probability': 10,
         'temperature': 31.7,
@@ -49,6 +52,7 @@
         'cloud_coverage': 45,
         'condition': 'partlycloudy',
         'datetime': '2020-07-29T05:00:00+00:00',
+        'humidity': 65,
         'precipitation': 0.0,
         'precipitation_probability': 9,
         'temperature': 24.0,
@@ -63,6 +67,7 @@
         'cloud_coverage': 50,
         'condition': 'partlycloudy',
         'datetime': '2020-07-30T05:00:00+00:00',
+        'humidity': 55,
         'precipitation': 0.0,
         'precipitation_probability': 1,
         'temperature': 21.4,
@@ -84,6 +89,7 @@
           'cloud_coverage': 58,
           'condition': 'lightning-rainy',
           'datetime': '2020-07-26T05:00:00+00:00',
+          'humidity': 60,
           'precipitation': 2.5,
           'precipitation_probability': 60,
           'temperature': 29.5,
@@ -98,6 +104,7 @@
           'cloud_coverage': 52,
           'condition': 'partlycloudy',
           'datetime': '2020-07-27T05:00:00+00:00',
+          'humidity': 58,
           'precipitation': 0.0,
           'precipitation_probability': 25,
           'temperature': 26.2,
@@ -112,6 +119,7 @@
           'cloud_coverage': 65,
           'condition': 'partlycloudy',
           'datetime': '2020-07-28T05:00:00+00:00',
+          'humidity': 52,
           'precipitation': 0.0,
           'precipitation_probability': 10,
           'temperature': 31.7,
@@ -126,6 +134,7 @@
           'cloud_coverage': 45,
           'condition': 'partlycloudy',
           'datetime': '2020-07-29T05:00:00+00:00',
+          'humidity': 65,
           'precipitation': 0.0,
           'precipitation_probability': 9,
           'temperature': 24.0,
@@ -140,6 +149,7 @@
           'cloud_coverage': 50,
           'condition': 'partlycloudy',
           'datetime': '2020-07-30T05:00:00+00:00',
+          'humidity': 55,
           'precipitation': 0.0,
           'precipitation_probability': 1,
           'temperature': 21.4,
@@ -160,6 +170,7 @@
       'cloud_coverage': 58,
       'condition': 'lightning-rainy',
       'datetime': '2020-07-26T05:00:00+00:00',
+      'humidity': 60,
       'precipitation': 2.5,
       'precipitation_probability': 60,
       'temperature': 29.5,
@@ -174,6 +185,7 @@
       'cloud_coverage': 52,
       'condition': 'partlycloudy',
       'datetime': '2020-07-27T05:00:00+00:00',
+      'humidity': 58,
       'precipitation': 0.0,
       'precipitation_probability': 25,
       'temperature': 26.2,
@@ -188,6 +200,7 @@
       'cloud_coverage': 65,
       'condition': 'partlycloudy',
       'datetime': '2020-07-28T05:00:00+00:00',
+      'humidity': 52,
       'precipitation': 0.0,
       'precipitation_probability': 10,
       'temperature': 31.7,
@@ -202,6 +215,7 @@
       'cloud_coverage': 45,
       'condition': 'partlycloudy',
       'datetime': '2020-07-29T05:00:00+00:00',
+      'humidity': 65,
       'precipitation': 0.0,
       'precipitation_probability': 9,
       'temperature': 24.0,
@@ -216,6 +230,7 @@
       'cloud_coverage': 50,
       'condition': 'partlycloudy',
       'datetime': '2020-07-30T05:00:00+00:00',
+      'humidity': 55,
       'precipitation': 0.0,
       'precipitation_probability': 1,
       'temperature': 21.4,
@@ -234,6 +249,7 @@
       'cloud_coverage': 58,
       'condition': 'lightning-rainy',
       'datetime': '2020-07-26T05:00:00+00:00',
+      'humidity': 60,
       'precipitation': 2.5,
       'precipitation_probability': 60,
       'temperature': 29.5,
@@ -248,6 +264,7 @@
       'cloud_coverage': 52,
       'condition': 'partlycloudy',
       'datetime': '2020-07-27T05:00:00+00:00',
+      'humidity': 58,
       'precipitation': 0.0,
       'precipitation_probability': 25,
       'temperature': 26.2,
@@ -262,6 +279,7 @@
       'cloud_coverage': 65,
       'condition': 'partlycloudy',
       'datetime': '2020-07-28T05:00:00+00:00',
+      'humidity': 52,
       'precipitation': 0.0,
       'precipitation_probability': 10,
       'temperature': 31.7,
@@ -276,6 +294,7 @@
       'cloud_coverage': 45,
       'condition': 'partlycloudy',
       'datetime': '2020-07-29T05:00:00+00:00',
+      'humidity': 65,
       'precipitation': 0.0,
       'precipitation_probability': 9,
       'temperature': 24.0,
@@ -290,6 +309,7 @@
       'cloud_coverage': 50,
       'condition': 'partlycloudy',
       'datetime': '2020-07-30T05:00:00+00:00',
+      'humidity': 55,
       'precipitation': 0.0,
       'precipitation_probability': 1,
       'temperature': 21.4,