diff --git a/weather-service/src/main/java/com/waither/weatherservice/response/WeatherErrorCode.java b/weather-service/src/main/java/com/waither/weatherservice/response/WeatherErrorCode.java
index 173c95ca..e927f8a3 100644
--- a/weather-service/src/main/java/com/waither/weatherservice/response/WeatherErrorCode.java
+++ b/weather-service/src/main/java/com/waither/weatherservice/response/WeatherErrorCode.java
@@ -15,9 +15,9 @@ public enum WeatherErrorCode implements BaseErrorCode {
 	WEATHER_OPENAPI_ERROR(HttpStatus.BAD_REQUEST, "WEAT400_3", "OpenApi 관련 오류입니다."),
 	WEATHER_MAIN_ERROR(HttpStatus.BAD_REQUEST, "WEAT400_2", "잘못된 위도, 경도입니다."), // 레디스에 캐싱 데이터가 없는 경우
 	WEATHER_URI_ERROR(HttpStatus.BAD_REQUEST, "WEAT400_3", "URI 변환에 실패하였습니다."),
-	REGION_NOT_FOUND(HttpStatus.NOT_FOUND, "WEAT400_4", "URI 변환에 실패하였습니다."),
-	DAILY_NOT_FOUND(HttpStatus.NOT_FOUND, "WEAT400_5", "URI 변환에 실패하였습니다."),
-	EXPECTED_NOT_FOUND(HttpStatus.NOT_FOUND, "WEAT400_6", "URI 변환에 실패하였습니다."),
+	REGION_NOT_FOUND(HttpStatus.NOT_FOUND, "WEAT400_4", "지역명을 찾을 수 없습니다."),
+	DAILY_NOT_FOUND(HttpStatus.NOT_FOUND, "WEAT400_5", "하루 날씨 정보를 찾을 수 없습니다."),
+	EXPECTED_NOT_FOUND(HttpStatus.NOT_FOUND, "WEAT400_6", "예상 날씨 정보를 찾을 수 없습니다."),
 	;
 
 	private final HttpStatus httpStatus;
diff --git a/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java b/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java
index 9a29d4dd..f8b75b5f 100644
--- a/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java
+++ b/weather-service/src/main/java/com/waither/weatherservice/service/WeatherService.java
@@ -173,7 +173,12 @@ public MainWeatherResponse getMainWeather(double latitude, double longitude) {
 
 		String expectedWeatherKey = regionName + "_" + convertLocalDateTimeToString(now);
 
-		String dailyWeatherKey = regionName + "_" + convertLocalDateTimeToDailyWeatherTime(now);
+		LocalDateTime dailyWeatherBaseTime = convertLocalDateTimeToDailyWeatherTime(now);
+
+		String dailyWeatherKey = regionName + "_" + convertLocalDateTimeToString(dailyWeatherBaseTime);
+
+		log.info("[Main - api] dailyWeatherKey : {}", dailyWeatherKey);
+		log.info("[Main - api] expectedWeatherKey : {}", expectedWeatherKey);
 
 		DailyWeather dailyWeather = dailyWeatherRepository.findById(dailyWeatherKey)
 			.orElseThrow(() -> new WeatherExceptionHandler(WeatherErrorCode.DAILY_NOT_FOUND));